000 00327nam a2200121Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a621.56
_bGOR
100 _aGordon, Richardson C & Princester
245 0 _aRefrigeration & air conditioning
260 _bDelhi: Prentice Hall Of India
_c1971
300 _a555
942 _2ddc
999 _c77813
_d77813