@book{44225,
	author = {Andrews, William A. and Davies, Nancy D.},
	title = {A guide to the study of soil ecology.},
	publisher = {Prentice-Hall},
	year = {[1973]},
	series = {Contours: Studies of the environment},
	address = {Englewood Cliffs, N.J.},
	note = {920504}
}