@article {571,
	title = {Use of simultaneous analyses to guide fossil-based calibrations of Pinaceae Phylogeny},
	journal = {International Journal of Plant Sciences},
	volume = {169},
	year = {2008},
	pages = {1086-1099},
	author = {Gernandt, D.S. and Magallon, S. and Geada Lopez, G. and Zeron Flores, O. and Willyard, A. and Liston, A.}
}
