%0 Journal Article %T Synthesis and Structural Characterization of a Nickel(II) Precatalyst Bearing a b-Triketimine Ligand and Study of Its Ethylene Polymerization Performance Using Response Surface Methods %A Nona Ghasemi Hamedani %A Hassan Arabir %A Zohuri, Gholamhossein %A F. S. Mair %A A. Jolleys %J Journal of Polymer Science, Part A: Polymer Chemistry %@ 0887-624x %D 2013