000 00304nam a2200121Ia 4500
008 221007s9999 xx 000 0 und d
100 _aKhurmi R.S., Gupta J.K.
245 0 _aATB of Refrigeration & Air Conditiocning
250 _aRev.
260 _aNew Delhi
_bS.Chand
_c2022
300 _a699
942 _cBK
999 _c5097
_d5097