000 00312nam a22001217a 4500
082 _a540
_bSIE/C
100 _aGOVT. OF KERALA
245 _aSIET KERALAN CHEMISTRY IMP.OF NITROGEN
_bCHEMISTRY
260 _aNEW DELHI
_bMINISTRY OF HRD, GOVT. OF INDIA
300 _bVCD
520 _aCHEMISTRY REFERENCE
942 _cBK
999 _c7889
_d7889