@book{757,
	author = {Panzram, Willy.},
	title = {Landwirtschaftliches rechnen und messen :},
	publisher = {P. Parey,},
	year = {1943.},
	address = {Berlin :},
	edition = {2., neubearb. aufl.},
	note = {"Mit 34 abbildungen."}
}