Peter H. Raven Environment - 2nd Ed - Fort Worth Saunders College Publishing 1998 - 579p Peter H. Raven; Linda R. Berg & George B. Johnson: Environment. (2nd Ed) Fort Worth. Saunders College Publishing, 1998. 0-03-018679-X Rs. 93.00--(574.5RAV) ENGLISH ISBN: 0-03-018679-X Dewey Class. No.: 574.5 / RAV