@book{170218,
	author = {Sandoval Beltrán, David Salvador and  Sánchez del Real, Carlos, asesor},
	title = {Diagnóstico y evaluación de un corral de engorda en Veracruz  /},
	publisher = {El autor,},
	year = {2016},
	address = {México  :},
	url = {http://10.13.5.2/tesis/sist112461.pdf}
}