@book{18115,
	author = {Montoya Moreno, Yimmy. and Aguirre Ramírez, Néstor Jaime.},
	title = {El perifiton del sistema cenagoso de Ayapel Córdoba, Colombia / },
	publisher = {Universidad de Medellín. Sello Editorial, },
	year = {2011.},
	address = {Medellín : }
}