000 00364pam a2200133a 44500
040 _aP K Kelkar Library, IIT Kanpur
082 _a541.39
_bB81s
100 _aBrown, G. I.
245 1 _aA simple guide to modern valency theory
_cG. I. Brown
260 _aLondon
_bLongmans
_c1953
300 _aix, 174p
650 _aElectrovalent bond
997 _a1915 C
999 _c410234
_d410234