1. A survey of curve and surface methods in CAGD;Boehm;Computer Aided Geometric Design,1984
2. Some remarks on cyclides in geometric modeling;Boehm,1988-1989
3. Mathematische Modelle;Fischer,1986
4. Cyclides in CAGD;Kaps,1990
5. On the cyclide;Maxwell;Quart. J. Pure Appl. Math.,1868