Jun Qu Qu, J., Riester, L., Shih, A. J., Scattergood, R. O., Lara-Curzio, E., & Watkins, T. R. (2003). Nanoindentation characterization of surface layers of electrical discharge machined WC-Co. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 344(1-2), 125–131. https://doi.org/10.1016/s0921-5093(02)00395-7 Qu, J., Shih, A. J., & Scattergood, R. O. (2002). Development of the cylindrical wire electrical discharge machining process, part 1: Concept, design, and material removal rate. JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 124(3), 702–707. https://doi.org/10.1115/1.1475321 Qu, J., Shih, A. J., & Scattergood, R. O. (2002). Development of the cylindrical wire electrical discharge machining process, part 2: Surface integrity and roundness. JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 124(3), 708–714. https://doi.org/10.1115/1.1475989 Qu, J., & Sarma, R. (2000). Least-square curve and surface localization for shape conformance checking. Journal of Manufacturing Systems, 19(5), 297–304.