000 00264nam a2200109Ia 4500
008 230427s9999 xx 000 0 und d
082 _a621.57
_bARO
100 _a ARORA (C.P)
245 0 _aRefrigeration and Air Conditioning
260 _b MGH
_aDelhi
942 _cBK
999 _c9748
_d9748