@book{37247,
	author = {Smith, Robert Leo. and Smith, T. M. (Thomas Michael)},
	title = {Elements of ecology /},
	publisher = {An Imprint of Addison Wesley Longman,},
	year = {1998.},
	address = {London :},
	edition = {4th ed.},
	note = {Includes bibliographical references (p. 507-521) and index.}
}