@book{912,
	author = {Ayensu, Edward S.,  and Association for Tropical Biology.},
	title = {Tropical forest ecosystems in Africa and South America :},
	publisher = {Smithsonian Institution Press, },
	year = {1973},
	address = {Washington :},
	note = {A symposium planned by the Association for Tropical Biology to be held in Ghana, West Africa, during February of 1971.},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/923.pdf}
}