%0 Journal Article %T Morphologycal study of spherical Mgcl n Etoh supported Ticl Ziegler-Natta Catalyst for Polymerization of Ethylen %A R. Jamjah, J. Vaezi, S. Ahmadjo, M. Nekoomanesh, M. Pouryari %A Zohuri, Gholamhossein %J Journal of Applied Polymer Science %@ 0021-8995 %D 2006