@article{paperid:201240,
author = {F. Azimfar, R. Jamjah, S. Ahmadjo and Zohuri, Gholamhossein},
title = {polymerization of propylene using the high-activity ziegler-natta catalyst system sio2/mgcl2 (ethoxi},
journal = {Journal of Applied Polymer Science},
year = {2002},
month = {December},
issn = {0021-8995},
keywords = {ziegler-natta polymerization; suports; poly (propylene) pp},
}