@phdthesis{oai:tsukuba.repo.nii.ac.jp:00020954,
 author = {Mimin, Muhaemin},
 month = {},
 note = {1999},
 school = {筑波大学, University of Tsukuba},
 title = {Structural characteristics of aluminum-made chassis-type frame of tractor},
 year = {2000}
}