000 00296nam a2200121Ia 4500
008 221231s9999 xx 000 0 und d
100 _aGarm S K
_92589
245 0 _aSewage Disposal and Air Pollution Engineering
260 _bKhanna Publishers
260 _c1979
300 _a993
942 _cBE_BK
999 _c2599
_d2599