T.Eun; Cho, Hyungsuckresearcher, PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, v.201, no.C6, pp.403 - 412, 1987
Lee, Chong-Wonresearcher; KIM, YD, PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, v.201, no.5, pp.349 - 355, 1987