000 00444cam a22001577a 4500
008 180718b1992 xxu||||| |||| 00| 0 eng d
082 _aO91 Am16
100 _aAmbasht, R.S.
245 _aEnvironment and pollution: an ecological approach
_cby R.S. Ambasht and P.K. Ambasht
250 _a2nd ed.
260 _aVaranasi
_bStudent's Friends
_c1992
300 _a307p.
650 _aPollution
650 _aEnvironment
700 _aAmbasht, P.K.
999 _c377975
_d377975