000 00323nam a2200121Ia 4500
008 160710s2002 xx 000 0 und d
082 _a628.1662 MAS
100 _aMASSCHELEIN (W.J)
245 _aULTRAVIOLET LIGHT IN WATER AND WASTE WATER SANITATION
260 _bLEWIS PUBLISHERS
_c2002
300 _a174
942 _2ddc
_cB
999 _c58479
_d58479