@article{oai:ipsj.ixsq.nii.ac.jp:00060193,
 author = {Takahiko, Kamae and Makoto, Kosugi and Takahiko, Kamae and Makoto, Kosugi},
 issue = {0},
 journal = {Information Processing in Japan},
 month = {Jan},
 pages = {40--45},
 title = {An Approximation of a Curve with Circular Arcs},
 volume = {12},
 year = {1972}
}