000 00258nam a2200097Ia 4500
008 231013s9999 xx 000 0 und d
090 _a697.005
100 0 _aAhmadul Aween
245 0 0 _aRefrigeration & Air Conditioning
260 3 _aNew Delhi
_bPrentice Hall
_c2006
999 _c14805
_d14805