@book{34306,
	author = {Lunt, Owen R. and Instituto Nacional de Tecnología Agropecuaria. Argentina.},
	title = {Poor plant growth due to improper physical conditions in soils :},
	publisher = {INTA,},
	year = {1965.},
	series = {Curso de fitopatología para graduados. Apuntes de clase},
	address = {Buenos Aires :}
}