@book{164891,
	author = {Delgadillo Martínez, Julián},
	title = {Melilotus albus : leguminosas forrajera inoculada con Rhizobium en la rehabilitación  de tepetates  /},
	publisher = {El autor,},
	year = {1997},
	address = {Chapingo, Méx.  :}
}