@article{oai:repository.dl.itc.u-tokyo.ac.jp:00041049,
 author = {Matsumoto, Yukio},
 journal = {Scientific papers of the College of General Education, University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {49--57},
 title = {Some Counterexamples in the Theory of Embedding Manifolds in Codimension Two},
 volume = {25},
 year = {1975}
}