Ethics of the environment and development : global challenge, international response / edited by J. Ronald Engel, Joan Gibb Engel ; ilustrations by John D. Petersen. — London : Belhaven Press, 1992. — CIDIMA. — 264 p. : il. ; 23 cm. — ISBN 1-85293-251-1 1. Política ambiental.2. Desarrollo sostenible.3. Conservación del medio ambiente. I. Engel, J. Ronald, ed.. II. Engel, Joan Gibb, ed.. III. Petersen, John D., il..