@article{oai:ynu.repo.nii.ac.jp:00000025,
 author = {Nishimura, Takashi},
 journal = {Journal of Singularities},
 month = {},
 note = {application/pdf},
 pages = {160--169},
 title = {Singularities of one-parameter pedal unfoldings of spherical pedal curves},
 volume = {2},
 year = {2010}
}