Ambasht, R. S. A Textbook of Plant Ecology / by R. S. Ambasht , N. K. Ambasht - 14th ed. - New Dehli : CBS Publishers & Distributors, c2002 - xii, 427 p. : ill. ; 22 cm. ISBN: 8123908644 9788123916002 Subjects--Topical Terms: Plant Ecology. Dewey Class. No.: 581.5 / AMT 2006