000 00259nam a2200109Ia 4500
008 231004s9999||||xx |||||||||||||| ||und||
041 _aeng
100 _aGupta, J.P
_913321
245 0 _aWorking with heat exchangers
260 _bHemisphere
_c1990
942 _cBK
999 _c21841
_d21841