000 00323nam a2200133Ia 4500
008 240913s9999||||xx |||||||||||||| ||und||
082 _a540 SIN/A
100 _aJAGDAMBA SINGH
245 2 _aA LOGICAL APPROACH IN CHEMISTRY
250 _aNULL
260 _bPragati Prakashan
_aMeerut
_c2012
300 _a552
942 _cBKS
999 _c16763
_d16763