1a) Knok, E.G., Armstrong, E., Lancashire, R., Wall, M., Haynes, R., (1979), Heart attacks and geomagnetic activity, Nature, 281, 568 -565.
1b) Stoupel, E., et al, (2002), Distribution of monthly deaths, solar and geomagnetic activity: their interrelationship in the last decade of the second millennium: the Lithuanian study, 1990-1999, Biomedicine and Pharmacotherapy, 56. 301s – 308s.
1c) Stoupel, E., (2002), The effect of geomagnetic activity on cardiovascular parameters, Biomedicine and Pharmacotherapy, 56, 247s – 256s.
1d) Otsuka, K., et al, (2016), Chronomics and continuous ambulatory blood pressure monitoring, in chapter 14: Heart rate variability reflecting the dynamics of solar activity, Springer, Japan.
1e) Dubrov, A.,P., (1978), The geomagnetic field and life, Plenum Press, New York. ISBN 0-306-31072-
1f) Zilli Vieira, C.L., Alvares, D., Blomberg, A. et al. Geomagnetic disturbances driven by solar activity enhance total and cardiovascular mortality risk in 263 U.S. cities. Environ Health 18, 83 (2019). https://doi.org/10.1186/s12940-019-0516-0
2) British Heart Foundation UK Factsheet, (January 2022), bhf-cvd-statistics-uk-factsheet.pdf.
3) Buchanan, M., (1998), Fascinating rhythm – if you thought a heart that beats like clockwork is a sign of rude health, think again, New Scientist, 157, issue 2115, Jan 3, p 20
4) Billman, G.,E., (2013), The effect of heart rate on the heart rate variability response to autonomic interventions, Frontiers in physiology, 4, article 222.
4a) Kadji, H.G., et al, (2007), Nonlinear dynamics and strange attractors in the biological system, Chaos, Solitons and Fractals, 32, 2, 862 – 882.
4b) Baureus Koch, C., Sommarin, B.,R., Persson, L.,G., et al, (2003), Interaction between weak low frequency magnetic fields and call membranes, Bioelectromagnetics, 24, 6, 395 – 402.
4c) Goodwin, B., (1965), Oscillatory behaviour in enzymic control processes, Advances in Enzyme Regulation, 3, 425 – 437.
5) Gmitrov, J., (2007), Geomagnetic field modulates artificial static magnetic field effect on arterial baroreflex and on microcirculation, International Journal of Biometeorolodatagy, 51, 335 – 344.
6) British Geological Survey Data Services Home Page (bgs.ac.uk) www.geomag-hartland :bgs.ac.uk/data_service/home.html
7) Chugunova, O.,M., Pilipenko, V.,A., Engebretson, M.,J., and Rodger A.,S.,(2006), Statistical characteristics of the spatial distribution of the Pc-3 – 4 geomagnetic pulsations at high latitudes in the arctic regions, Geomagnetism and Aeronomy, 64 – 73, Jan 2006.
8) Brian Dunbar, (2013), Nasa Report by Nasa Official, Page, May 28 2013.
9) Helman, D.,S., (2016), Symmetry-based electricity in minerals and rocks: a review with examples of centrosymmetric minerals that exhibit pyro- and piezoelectricity, Periodico di Mineralogia, September 2016.
10) Montagner, J-P., (1994), Can seismology tell us anything about convection in the mantle? Reviews of Geophysics, 32, 2, 115-137, May.
11) Thorne Lay (1987), Structure of the Earth: Mantle and Core. Reviews of Geophysics, 25, 6, 1161-1167.
12)Task Force of the European society of Cardiology and the N. American Society of Pacing and Electrophysiology, (1996) Guidelines: Heart Rate Variability, Standards of measurement, physiological interpretation and clinical use, European Heart Journal, 17, 354-381.
13) Harunobu Usui, and Yusuke Nishida, (2017), The very low-frequency band of heart-rate variability represents the slow recovery component after a mental stress task, PLOS ONE, https:// doi.org/10.1371/journal.pone.0182611, August 14 2017.
13a) Sastre, A., Cook, M.,R., Graham, C., (1998), Nocturnal exposure to intermittent 60 Hz magnetic fields alters human cardiac rhythm, Bioelectromagnetics, 19, 98 – 106.
13b) Baevsky, R., Petrov,V., Chernikova, A., (1998), Regulation of autonomic nervous system in space and magnetic storms, Adv. Space. Res. 22, 2, 227 – 234.
13c) Chernouss, S,. Vinogradov, A., and Vlassova, E., (2001), Geophysical hazard for human health in the circumpolar auroral belt: evidence of a relationship between Heart Rate Variation and electromagnetic disturbances. Natural Hazards, 23, 121 – 135.
15) Lam, R.,W., and Levitan R.,D., (2000) Pathophysiology of seasonal affective disorder: a review, J. Psychiatry Neuroscience, 25, 5, 469 – 480.
16) Guzzeti, S., Rovere, M.,T., L., Pinna, G.,D., (2005), Different spectral components of heart rate variability are related to different modes of death in chronic heart failure, European Heart Journal, 26, 357-362.
16a) Chibisov, S.,M., Breus, T.,K., Illarionova, T.,S., (2001), Morphological and functional state of the heart during magnetic storm, Bulletin of Experimental Biology and Medicine, 132, 6.
16b) Delyukov, A., Gorgo, Y., Cornelissen, G., Otsuka, K., Halberg, F., (2001), Infraradian, notably circaseptan, testable, feedsidewards among chronomes of the ECG, and air temperature and pressure, Biomed Pharmacotherapy, 55, 84-92.
16c) Delyokov, A., Gorgo, Yu., Cornelissen, G., Otsuka, K., Halberg, F., (2002), Natural environmental associations in a 50-day human electrocardiogram, Int.J. Biometeorology, 45, 90-99.
17) Dimitrova, S., Stoilova, I., Chalakov,I. (2004), Influence of local geomagnetic storms on arterial blood pressure, Bioelectromagnetics,25, 408-414.
18) Gmitrov,J., and Gmitrova, A., (2004), Geomagnetic field effect on cardiovascular regulation, Bioelectromagnetics, 25, 92 – 101.
19) Breus, T.,K., ,Pimenov, K., Cornielissen, G., Halberg,F., et al (2002), The biological effects of solar activity, Biomedicine and pharmacotherapy, 56, 273 – 283.
20a) Davies, E., (1994), The effects of pulsed magnetic fields on the adenylate cyclase enzyme system in aggregating Dictyostelium discoideum amoebae, PhD Thesis, Ethos ID: uk.bl.ethos 239721. ISNI: 0000 001 3411 0900. ASIN: B001 A 2HFDC publisher: University of Brighton.
20b) Davies, E., Woodward, A., Kell, D., (2000), The use of nonlinear dielectric spectroscopy to monitor the bioelectromagnetic effects of a week pulsed magnetic field in real time, Bioelectromagnetics, 21, Issue 1, January, 25 – 33.
22) Singh, R.,B., et al, (2002), Brain-Heart connection and the risk of heart attack, Biomedicine and pharmacotherapy, 56, 257s – 265s.
22a) Chialvo, D., Calvo, D,. Gonzalez, D., et al, (2002), Subharmonic stochastic synchronisation and resonance in neuronal systems, Physical Review E, 65, 05090 (R)
23 a) Davies, E., Olliff, C., Wright, I., Woodward, A., (1999) A weak puled magnetic field affects adenine nucleotide oscillations and related parameters in aggregating Dictyostelium discoideum amoebae, Bioelectrochemistry and Bioenergetics, 48, issue 1, Feb, 149 – 162.
23 b) Pazur, A., Schimek, C., Galland, P., (2007), Magnetoreception in microorganisms and fungi, Central European Journal of Biology, 2(4), 597-659, Open Life Sciences, https://doi.org/10.2478/S11535-007-00320z.
24) Bell, J., Venter, J.,Nelson, K., Spector,T., (2019), The interplay between the human gut microbiome and host metabolism, Nature, Nature Communications, 10, article 4505.
24a) Dey, S ,. Singh, A., (2021), Diverse role of decoys on emergence and precision of oscillations in a biomolecular clock, Biophysical Journal, 120, 24, 5564 – 5574.
25) Rusiniak, L., (2002), Ice as a ferroelectric and piezoelectric rock, EGS XXV11, General Assembly, Nice, 21-26 April, bibcode: 2002 EGSGA.27.585R abstract #585, Institute of geophysics, Polish Academy of Sciences, Warsaw, Poland.
26) Tokyo Institute of Technology, (2017), Quartz crystals at Earth’s core power its magnetic field. Science Daily, 22 Feb 2017.
27) Hirose, K., Morard, G., et al; (2017) Crystallization of silicon dioxide and compositional evolution of the earth’s core, Nature, DOI:10;1038/nature2 1367.
28) Pechony, O., and Price, C., (2007), Schumann resonances: interpretation of local diurnal intensity modulations, Radio Science, 41, RS2805, 42 (2).
28a) Cherry, N., (2002), Schumann resonances, a plausible biophysical mechanism for human health effects of solar/geomagnetic activity, Natural Hazards, 26, 279 – 331/
29a) Saroka, K.,S., and Persinger, M.,A., (2014), Quantitative evidence for direct effects detween earth ionosphere Schumann resonances and human cerebral cortical activity, International Letters of Chemistry, Physics and Astronomy, (20) 2, 166 – 194.
29b) Mikicin, M., and Kowalczyk, M., (2015), Audio-visual and autogenic relaxation alter amplitude of alpha EEG band, causing improvements in mental work performance in athletes, Applied Psychophysiology and Biofeedback, (40), 219-227.