@book{12612,
	author = {Hitchcock, A. S. and Hitchcock, A. S. and United States.},
	title = {Key to the native perennial grasses,},
	publisher = {U.S. Soil Conservation Service,},
	year = {1968.},
	series = {[United States. Soil Conservation Service] SCS-TP},
	address = {[Washington]},
	note = {Cover title.}
}