000 00000nam a2200000 a 4500
005 20251203091145.0
082 _a541.224
_bCAR
100 _aCartmell, E.
245 _aValency and molecular structure
260 _aNew Delhi
_bEnglish Language Book society
_c1977
300 _a341 p.
_c22 cm.
_bPB
630 _aChemistry
630 _aMolecular structure
964 _bENGLISH
_c
_d
_e
_f
_g_
997 _a31259 C
999 _c32015
_d32015