@book{48881,
	author = {Perrin, Richard K. and Moscardi C., Edgardo Rubén. and Centro Internacional de Mejoramiento de Maíz y Trigo.},
	title = {From agronomic data for farmer recommendations},
	publisher = {CIMMYT,},
	year = {1976},
	series = {Folleto de información},
	address = {México, D.F. :}
}