00639nam a2200193Ia 4500 114754 BIBL 20160527183851.0 730828s1970 sp a b 00110 spa Gray, Harry B. 230617 Local Electrones y enlaces químicos Harry B. Gray; versión espanola de Pascual Royo Gracia. Barcelona Editorial Reverté, S. A. 1970. xi, 213 p. illus. Translation of: Electrons and chemical bonding. Includes index. Bibliography: p.203. Electrons. 91233 Local Chemical bonds. 72257 Local 96003 96003 0 0 0 541_224000000000000_G779E_E 0 evl 39104 10 10 1 2016-05-27 174943 0 541.224 G779e E 80000001238891 2016-05-27 00:00:00 r:114754 z:NCC:D 6