00758nam a2200241Ia 4500 36351 BIBL 20160527195510.0 700508s1969 nyua 00110 eng 74099464 //r86 0444197079 EVLG 541.224 W929 c1 QD469 .W67 1969 541/.224 541.224 W929 Worrall, Jean. 292365 Local Introduction to valence theory by Jean Worrall and I. J. Worrall. New York American Elsevier Pub. Co. 1969. vii, 102 p. illus. 22 cm. 3.95 Valence (Theoretical chemistry) 286940 Local Worrall, I. J. (Ian Joseph) 1933- joint author. 292364 Local 27399 27399 0 0 0 541_224000000000000_W929 0 evl 273210 10 10 1 2016-05-27 50522 0 541.224 W929 80000001239337 2016-05-27 00:00:00 r:36351 z:NCC:D 6