@book{10879,
	author = {Rettew, Granville Raymond, and Thompson, Forrest Grant, and Mushroom Supply Company, Toughkenamon, Pa.},
	title = {Manual of mushroom culture,},
	publisher = {Mushroom Supply Co.},
	year = {[c1948]},
	address = {Toughkenamon, Pa.,},
	edition = {4th ed.},
	note = {Earlier editions issued by Chester County Mushroom Laboratories, West Chester, PA.}
}