Beyond Stippling - Methods for Distributing Objects on the Plane
Stefan Hiller, Heino Hellwig, Oliver Deussen.
Computer Graphics Forum, Vol. 22, No. 3, September,
2003. [BibTeX]
Floating Points: A Method for Computing Stipple Drawings
Oliver Deussen, Stefan Hiller, Cornelius Overveld, Thomas Strothotte.
Computer Graphics Forum (EG'00), Vol. 19, No. 3, pp. 40--51,
2000. [BibTeX]