@incollection{Yousry12, author = {Ibrahim Refaay Ahmed and Ali Waheed Yousry}, title = {Tribological Properties of Polyester Composites: Effect of Vegetable Oils and Polymer Fibers}, booktitle = {Polyester}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Hosam El-Din M. Saleh}, chapter = {8}, doi = {10.5772/39230}, url = {https://doi.org/10.5772/39230} }