Aggarwal, S.K. The degrading environment : ( Cause for global concern ) / S. K. Aggarwal, Gurcharan Sing and Inderjeet Sethi. - New delhi : Commonwealth publishers, 1993. - ix, 187 p. : ill. ; 24 cm. Includes index. ISBN: 8171692613 Subjects--Topical Terms: Environment. Dewey Class. No.: 304.2 / SID 1993