@book{49607,
	author = {Fauser, Otto.},
	title = {Mejoramiento de suelos agrícolas},
	publisher = {UTEHA,},
	year = {1965},
	series = {Manuales UTEHA},
	address = {México, D.F. :},
	note = {Trad. de la 5 ed. en alemán}
}