000 00270nam a2200109Ia 4500
008 240125s9999||||xx |||||||||||||| ||und||
041 _aeng
100 _aGupta, J.P.
_913321
245 0 _aWorking with heat exchangers
260 _bHemisphere
_aNew York
_c1990
942 _cBK
999 _c27200
_d27200