Sampling rare or elusive species : concepts, designs, and techniques for estimating population parameters / edited by William L. Thompson ; foreword by Kenneth P. Burnham. - Washington : Island Press, 2004. - xv, 429 p. : ill., maps ; 24 cm. ISBN: 9781559634519 Subjects--Topical Terms: Rare animals --Monitoring; Rare plants --Monitoring. Dewey Class. No.: 591.68 THO