@book{9809,
	author = {Chacón Torres, Arturo. and Múzquiz Iribe, Elizabeth.},
	title = {El Lago de Zirahuén, Michoacán, México},
	publisher = {Universidad Michoacana de San Nicolás de Hidalgo,},
	year = {1991},
	series = {Biología acuática},
	address = {Morelia, Mich. :}
}