000 00274nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a621.56
_bLAN
100 _aLangley, B C
245 0 _aRefrigeration and air conditioning
260 _aVirginia
_bReston
_c1978
942 _cBK
999 _c29732
_d29732