@book{232983,
	author = {Jenny, Hans,},
	title = {Factors of soil formation :},
	publisher = {McGraw-Hill,},
	year = {1941.},
	series = {McGraw-Hill publications in the agricultural sciences; L.J. Cole, consulting ed.},
	address = {New York ;},
	edition = {1st ed.},
	url = {http://catalog.hathitrust.org/api/volumes/oclc/905466.html}
}