1. Extruding Plastics – A Practical Processing Handbook;Rosato,1998
2. A visual analysis of flow and mixing in extruder screws;Maddock;SPE J.,1959
3. Instrument Engineers’ Handbook: Process Control and optimization;Pettit,2006
4. Extruder Principles and Operation;Stevens,1995
5. Polymer Extrusion;Rauwendaal,2001