Myung, Hwan Kim. Theoretical and experimental studies of flow behavior in modular nonintermeshing counter-rotating twin screw extruders [microform] / by Myung Hwan Kim. - Ann Arbor, Mich. : University Microfilms International, 1990. - 4 microfiches ; 11 x 15 cm. Thesis (Ph.D.) - University of Akron, 1990. Subjects--Topical Terms: Flow visualization.