ansa-Zirconocene ester enolates: synthesis, structure, reaction with organo-lewis acids, and application to polymerization of methacrylates
Journal of the American Chemical Society (2004) - Comments
pubmed: 15080695  doi: 10.1021/ja031558k  issn: 0002-7863  issn: 1520-5126 

Andrew D. Bolig, Eugene Y.-X. Chen