@incollection{Pervez17, author = {Tasneem Pervez and Sayyad Z. Qamar and Omar S.A. Al-Abri and Rashid Khan}, title = {Indirect Extrusion: A Multifaceted Approach of Sub-surface Tubular Expansion}, booktitle = {Extrusion of Metals, Polymers, and Food Products}, publisher = {IntechOpen}, address = {Rijeka}, year = {2017}, editor = {Sayyad Zahid Qamar}, chapter = {4}, doi = {10.5772/intechopen.70311}, url = {https://doi.org/10.5772/intechopen.70311} }