1. (a) A. Werner, Neuere Anschauungen auf dem Gebiete der anorganischen Chemie, Braunschweig, 1905;
2. (b) see P. Pfeiffer in Great Chemists, ed. E. Farber, Interscience, New York, 1961, p. 1233;
3. (c) excellent general reviews of Werner???s publications are to be found in G. B. Kauffman, Coord. Chem. Rev. 1973, 11, 161; 1974, 12, 105; 1975, I5, 1; see also ref. 2.
4. G. B. Kauffman, Coord. Chem. Rev. 1973, 9, 339, provides a comprehensive review of Werner’s publications.
5. C. W. Bloomstrand, J. Prakt. Chem. 1857, 71, 449; 1859, 77, 88; 1861, 82, 433.