000 00390nam a2200157Ia 4500
008 170519s9999 xx 000 0 und d
041 _aEnglish
082 _a533.7/CHA/GAS
100 _aPRATIPKUMAR CHUDHURY
245 _aGYASER ANABIK TATTA
260 _bWEST BENGAL STATE BOOK BOARD
_aCALCATTA
_c1979
300 _c182P
650 _aGAS MECHANICS
650 _aPHYSICS
942 _cBK
999 _c71964
_d71964