000			00345nam a2200157Ia 4500
008			170519s9999 xx 000 0 und d
041			_aBengali
082			_a925/PAT/BHA
245			_aBHARTAR BIGYAN SADANA
250			_a2nd
260			_c1980
300			_c110p
650			_aBIOGRAPHY
650			_aBIOGRAPHY OF SCIENTISTS
942			_cBK
999			_c72444 _d72444