000 00260nam a2200109Ia 4500
008 201201s9999 xx 000 0 und d
082 _a628.2
100 _aMETCALF,L.
245 0 _aSEWERAGE AND SEIVAGE DISPOSAL
260 _bNY, MCGRAW HILL
_c1930
942 _cOB
999 _c17051
_d17051