@phdthesis{oai:tsukuba.repo.nii.ac.jp:00008464,
 author = {町田, 龍一郎 and Machida, Ryuichiro},
 month = {},
 note = {1981},
 school = {筑波大学, University of Tsukuba},
 title = {The embryology of the jumping bristletail, Pedetontus unimaculatus Machida (Insecta, Microcoryphia, Machilidae)},
 year = {1982}
}