@book{92443,
	author = {Callejas Ruíz, Bertha Antonia.},
	title = {Sustratos y hongos micorrízicos en la producción de nochebuena (Euphorbia pulcherrima Willd.) ex Klotzch) /},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/103988.pdf}
}