@article{MAN_1974__208_162556,
     author = {P.R. Goodey},
     title = {Intersections of {Circles} and {Curves} of {Constant} {Width.}},
     journal = {Mathematische Annalen},
     pages = {49--58},
     publisher = {mathdoc},
     volume = {208},
     year = {1974},
     zbl = {0263.52001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__208_162556/}
}