000			00346nam a2200157Ia 4500
008			170519s9999 xx 000 0 und d
041			_aEnglish
082			_a520/SAR
100			_aMADHUSUDAN SARKAR
245			_aASTRONOMY
250			_a5TH
260			_bKAMALA BOOK DEPOT _aCALCUTTA
300			_c296P
650			_aASTRONOMY
942			_cBK
999			_c59755 _d59755