Environment and pollution :
Ambasht, R.S.
Environment and pollution : an ecological approach / R.S. Ambasht, P.K. Ambasht. - 3rd ed. - New Delhi : CBS Publishers, 1999 - ix, 314 p. : ill. ; 18 cm.
Includes bibliographical references and index.
8123906528
Pollution.
Environment
577.27 / AME
Environment and pollution : an ecological approach / R.S. Ambasht, P.K. Ambasht. - 3rd ed. - New Delhi : CBS Publishers, 1999 - ix, 314 p. : ill. ; 18 cm.
Includes bibliographical references and index.
8123906528
Pollution.
Environment
577.27 / AME