1. D. Klaman (Ed),Lubricants and Related Products, Verlag Chemie, Weinheim, F. R. G. (1984).
2. P. G. Harrison, M. J. Begley, T., Kikabhai and F. KillerJ. Chem. Soc., Dalton Trans., 925 (1986) and refs, therein.
3. J. R. Wasson, G. M. Waltermann and A. J. Stoklosa,Topics Current Chem.,35, 65 (1973).
4. W. Kuchen and H. Hertel,Angew. Chem. Int. Ed. Engl.,8, 89 (1969).
5. G. A. Zank and T. B. Rauchfuss,Organometallics,3, 1191 (1984).