000 00291nam a2200121Ia 4500
008 220201s1987 xx 000 0 eng d
082 _a621.56
_bLAN
100 _aLang, V Paul
245 0 _aPrinciple of air conditioning
260 _bC B S Publication
_c1987
300 _a326
942 _2ddc
999 _c26080
_d26080