@incollection{El-Maghawry13, author = {A. Abu-El Hassan and E. M. El-Maghawry}, title = {Unsteady Axial Viscoelastic Pipe Flows of an Oldroyd B Fluid}, booktitle = {Rheology}, publisher = {IntechOpen}, address = {Rijeka}, year = {2013}, editor = {Rajkumar Durairaj}, chapter = {6}, doi = {10.5772/53638}, url = {https://doi.org/10.5772/53638} }