000 00290nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
082 _a363.7
_bLIU
100 _aLiu, D.H.E
245 0 _aEnviromental engineering H.Book
260 _aDelhi
_bCRC Press
_c1997
300 _a1431
942 _2ddc
999 _c36371
_d36371