@book{21900,
	author = {Stebbins, G. Ledyard},
	title = {Processes of organic evolution / },
	publisher = {Prentice-Hall, },
	year = {c1971.},
	series = {Concepts of modern biology series.},
	address = {New Delhi : },
	edition = {2nd ed. },
	note = {Includes Index. }
}