@article {41165,
	title = {Solar activity and mammal cycles in the Northern Hemisphere},
	volume = {149},
	year = {1997},
	pages = {776-784},
	publisher = {American Naturalist},
	url = {http://www.jstor.org/stable/2463549?seq=5},
	author = {Sinclair, A. R. E. and Gosline, J. M.}
}
