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3. Bartke, T. C. (Diss. Univ. Wyoming 1975;
4. Bartke, T. C. Diss. Abstr. Intern. B 36 [1976] 6141).
5. Bartke, T. C., Bjorseth, A., Haaland, A., Marstokk, K. M., Mollendal, H. (J. Organometal. Chem. 85 [1975] 271/7).