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2. D.E. James, in: H.F. Marks, N.M. Bikales, C.G. Overberger, G. Menges (Eds.), Encyclopedia of Polymer Science and Engineering, Wiley-Interscience, vol. 6, New York, 1985, pp. 429–454.
3. Group 4 ansa-Cyclopentadienyl-Amido Catalysts for Olefin Polymerization
4. Group 4 Metallocenes: Supported and Unsupported
5. Ziegler-Natta catalysts for olefin polymerizations