@article{paperid:201073, author = {S. Ahmadjo, R. JAmjah, M. Nekoomanesh and Zohuri, Gholamhossein}, title = {structural study of mono- and bi-supported ziegler-natta catalystsof mgcl2/sio2/ticl4/donor systems}, journal = {Journal of Applied Polymer Science}, year = {2001}, month = {January}, issn = {0021-8995}, keywords = {ziegler - natta catalyst-supported catalyst- polymerization- structural study}, }