000 00352pam a2200121a 44500
008 140414b1993 xxu||||| |||| 00| 0 eng d
245 _aEcology and The Environment v4
_cedited by TRIPATHI, A K
260 _aNEW DELHI
_bASHISH PUB
_c1993
650 _aECOLOGY, ENVIRONMENT
690 _aENVIRONMENTAL ENGINEERING
700 _aTRIPATHI, A K
906 _a8936
999 _c8580
_d8580