000 00366pam a2200157a 44500
008 230515b1989 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _a620.8 /CAR/PAN
100 _aCARNEY G.C./PANDEY G. N.
245 _aENVIRONMENTAL ENGINEERING
250 _aND
260 _aNULL
_bT.H.M
_c1989
300 _a455 HB
650 _aNULL
999 _c623668
_d623668