000 00317nam a2200121Ia 4500
008 130705s9999 xx 000 0 und d
020 _a0070491348
050 0 _aTD 145 .P 43 1985
100 1 _aPeavy, Howard S
245 1 0 _aEnvironmental engineering /
_cHoward S Peavy
300 _ap.
942 _2lcc
_kTD 145 .P 43 1985
999 _c7245
_d7245