000 00291nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a541.224
_bEPI
100 _aEpiotis, N. D.
245 _aUnified valence bond theory of electronic structure
260 _bSpringer-Verlag
_aBerlin
_c1982
999 _c142676
_d142676