[1]Ingold,K.U.;Nonhebel,D.C.;Walton,J.C.[JournalofPhysicalChemistry,1986,vol.90,#13,p.2859-2869]
Title: ansa-Zirconocene ester enolates: synthesis, structure, reaction with organo-lewis acids, and application to polymerization of methacrylates.
Journal: Journal of the American Chemical Society 20040421