@article{paperid:1005665, author = {S. Ahmadjo and R. Jamjah and Zohuri, Gholamhossein and S. Damavandi and M. Nekoomanesh and M. Javaheri}, title = {preparationof highly active heterogeneous ziegler - natta catalyst for polymerization of ethylen}, journal = {Iranian Polymer Journal}, year = {2006}, volume = {16}, number = {1}, month = {June}, issn = {1026-1265}, pages = {31--37}, numpages = {6}, keywords = {preparationof highly active heterogeneous ziegler - natta catalyst for polymerization of ethylen}, }