Sutherland, William J. Ecological census techniques : a handbook / William J. Sutherland. - 1st ed. - New York : Cambridge University Press, 1996 - xv, 336 p. : ill. ; 21 cm. Includes bibliographical references and index. ISBN: 052147244 052147244X 0521478154 LCCN: 95031985 Subjects--Topical Terms: Ecological survey Dewey Class. No.: 574.5028 / SUE