@article {34815,
	title = {Temporal variation of the mating system in a natural population of jack pine},
	volume = {109},
	year = {1985},
	pages = {569-584},
	publisher = {Genetics},
	url = {http://www.springerlink.com/content/l1q64820014q6546/fulltext.pdf},
	author = {Cheliak, W. M. and Dancik, B. P. and Morgan, K. and Yeh, F. C. and Strobeck, C.}
}
