Berck, Peter. The economics of the environment / Peter Berck & Gloria Helfand. - New Delhi : PHI Learning, 2011. Includes index. ISBN: 9788120343689 (pbk.) LCCN: 2010018576 Subjects--Topical Terms: Economic policy--Environmental aspects. LC Class. No.: HC79.E5 / B4547 2011 Dewey Class. No.: 333.7 / BER