@article {3252,
	title = {The Africanization of the New World tropical grqsslands},
	journal = {Tub.Geogr.Stud.},
	volume = {34},
	year = {1970},
	pages = {141-153},
	keywords = {CR REF, GRASSLANDS},
	author = {Parsons, J. J.}
}
