000 00343nam a2200121Ia 4500
008 240521s1999 xx 000 0 und d
020 _a0-442-21489-8
041 _aeng
100 _aCOWAN H.J & SMITH P. R.
245 _aENVIRONMENTAL SYSTEMS(ENVIRONMENTAL ENGG.BUILDINGS)
260 _bVAN NOSTRAND REINHOLD NEW YORK
_c1999
300 _a240
999 _c1157847
_d1157847