Callicott, J. Baird. Encyclopedia of environmental ethics and philosophy / J. Baird Callicott,Robert Frodeman editors in chief. - / . - New York : Gale , 2009. - lvi,542p. : ills,figs,photo ; 23cm 1 CD . - Volume-1(2009)- NULL ISBN: 9780028661384 USD321.00 Subjects--Index Terms: ENVIRONMENTAL ETHICS ENVIRONMENTAL SCIENCES-PHILOSOPHY Dewey Class. No.: 179.103 / CAL/E.1