1. The Merck Index, Tenth Edition, page 1324, No. 9076, Merck & Co., Inc. Rahway New Jersey, USA, 1983.
2. B. Heil, Wiss. Zeitschr. THLM 1985, 27 6
3. H.B. Kagan, Bull. Chem. Soc France, 1988, 5 846.
4. J.A. Osborn, F.H. Jardine, J.F. Young and G. Wilkinson, J. Chem. Soc. A, 1966 1711
5. Schrock-Osborn type catalysts: R.R. Schrock and J.A. Osborn, J. Am. Chem. Soc., 1971, 93, 2397.