@book{23230,
	author = {Weaver, John E. and Clements, Frederic E.},
	title = {Plant ecology /},
	publisher = {McGraw-Hill Book ,},
	year = {c1966},
	series = {McGraw-Hill publications in the botanical sciences},
	address = {New York :},
	edition = {2d ed.},
	note = {Includes index.}
}