Owens, Susan
Environment, resources and conservation / Susan Owens, Peter L. Owens ; editors, Alan R. H. Bakers, Colin Evans. — Cambridge : Cambridge University Press, 1991. — CIDIMA. — 112 p. : il. ; 26 cm. — ( Cambridge topics in geography) ISBN 0-521-31378-3 1. Recursos naturales.2. Conservación del medio ambiente.3. Control ambiental. I. Owens, Peter L.. II. Baker, Alan R. H., ed.. III. Evans, Colin, ed.. 12.5.0