Gurung, D. B. An illustrated guide to the orchids of Bhutan / by D.B. Gurung. - Thimphu : DSB Publication, c2006. - vi, 178 p. : ill. ; 20 cm. ISBN: 9993612081 Subjects--Topical Terms: Orchids--Bhutan. Dewey Class. No.: 584.7205498 / G969i