Pilai Poonswad Hornbills : a Thai Heritage-a World Heritage / Pilai Poonswad - 1st ed. - Bangkok : Faculty of Science, Mahidol University, 2012 - 211 p. : ill. ; 29 cm. ISBN: 9786162791284 Subjects--Topical Terms: Hornbills--Thailand Dewey Class. No.: 598.78 / P637H