1. Human navigation and magnetito-reception;Baker,1989
2. The Maunder minimum;Eddy;Science,1976
3. Solar irradiance variations and climate;Foukal,1998
4. Length of the solar cycle: an indicator of solar activity close associate with climate;Friis-Christensen;Science,1991
5. Cross-spectrally coherent ∼10.5- and 21-year biological and physical cycles, magnetic storms and myocardial infarctions;Halberg;Neuroendocrinol Lett,2000