000 00297nam a22001217a 4500
082 _a621.56
_bTAH
_cL-25, P-4
100 _aMuhammad Younis Tahir
245 _aModern refrigeration wa air conditioning
260 _aLahore
_bTahir publishers.
300 _a391 p.
_bill.
650 _aMCE
942 _cBK
999 _c6173
_d6173