@article{paperid:1005663, author = {R. Jamjah, J. Vaezi, S. Ahmadjo, M. Nekoomanesh, M. Pouryari and Zohuri, Gholamhossein}, title = {Morphologycal study of spherical Mgcl n Etoh supported Ticl Ziegler-Natta Catalyst for Polymerization of Ethylen}, journal = {Journal of Applied Polymer Science}, year = {2006}, month = {May}, issn = {0021-8995}, }