@book{11586,
	author = {Fowells, H. A. and Schubert, Gilbert Herman,},
	title = {Seed crops of forest trees in the pine region of California /},
	publisher = {U.S. Dept. of Agriculture,},
	year = {1956.},
	series = {Technical bulletin / United States Department of Agriculture ;},
	address = {Washington :},
	note = {Caption title.}
}