000 00261nam a2200109Ia 4500
008 131017s9999 xx 000 0 und d
082 _a660 SRE / V
245 _aVyavasayikalayakangal
260 _bKERALA BHASHA INSTITUTE
650 _aCHEMISTRY
942 _cBK
999 _c29245
_d29245