@article{10_5427_jsing_2010_2j,
     author = {T. Nishimura},
     title = {Singularities of one-parameter pedal unfoldings of spherical pedal curves},
     journal = {Journal of Singularities},
     pages = {160--169},
     publisher = {mathdoc},
     volume = {2},
     year = {2010},
     doi = {10.5427/jsing.2010.2j},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2010.2j/}
}