000 00267nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
245 0 _aPsychrometric charts & P-H charts of NH3, F-22, F-113, Co2, So2, F-34
260 _bDelhi: Khanna Pub
300 _a12
942 _2ddc
999 _c77805
_d77805