@book{50648,
	author = {Rodríguez Franco, Carlos.},
	title = {Estudio epidométrico de Pinus montezumae Lamb. mediante análisis troncales, en el Campo Experimental Forestal San Juan Tetla, Puebla},
	publisher = {El autor,},
	year = {1980},
	address = {Chapingo, Méx. :}
}