1. Many relevant examples are described in P. W. Jolly and G. Wilke, “The Organic Chemistry of Nickel”, Vol. 2, Academic, 1975.
2. a. Many relevant examples are described in G. Henrici-Olivé and S. Olivé, “Coordination and Catalysis”, Verlag Chemie, Weinheim, 1977.
3. C. O’Connor and G. Wilkinson, J. Chem. Soc. A., 1968, 2665.
4. Y. Okamoto, K. Ohta, and H. Yuki, Chem. Lett., 617 (1977).
5. P. W. Jolly and G. Wilke, “The Organic Chemistry of Nickel”, Vol. 2, Academic, 1975 pp. 12; 21–25.