Ambasht, R S. A text book of plant ecology / By R.S. Ambasht, N.K. Ambasht. - 15th Ed. - Delhi : CBS Publishers & Distributors Pvt. Ltd, 2015. - 444p. ; 00 cm. ISBN: 9788123916002 Subjects--Topical Terms: BIOTEHNOLOGY. Dewey Class. No.: 581.5 / AMB