000 00331nam a2200145Ia 4500
008 170519s9999 xx 000 0 und d
041 _aBengali
082 _a540.3/RAY
100 _aAMARNATH RAY
245 _aRASAYAN BHARATI
260 _bPURNA PRAKASAN
_aKOLKATA
_c1972
300 _c300P
650 _aCHEMISTRY
942 _cBK
999 _c68974
_d68974