Conservation of rare or little-known species : biological, social, and economic considerations / edited by Martin G. Raphael and Randy Molina ; foreword by Nancy Molina. - Washington : Island Press, 2007. - xi, 375 p. : ill. ; 23 cm. ISBN: 9781597261661 Subjects--Topical Terms: Biodiversity conservation. Dewey Class. No.: 333.9516 RAP