000 00510nam a2200193Ia 4500
999 _c671
_d671
008 180512s9999||||xx |||||||||||||| ||und||
020 _cRs.22
040 _aMAIN
041 _aBengali
082 _a546
_bRAK
100 _aRakkhit, Pratulchandra
245 _aঅজৈব রসায়ন/
_cPratulchandra Rakkhit and Aurobindo Das
260 _bScience book agency
_aKolkata
_c1977
300 _a673p.
650 _aChemistry
650 _aInorganic chemistry
700 _aDas, Aurobindo
942 _cBK