546 Ino I Addinson, Cyril Clifford, 1913- Main group elements groups v and vi. Edited by C.C. Addison and D. B. Sowerby London, Butterworths [1972] 327 p. ilus. 24 cm. (Inorganic chenistry, series one v. 2) (MTP internacional review of science) Bibliografía al final de los capítulos