Mike Salisbury and Corin Anderson and Dani Lischinski and David H. Salesin.
Scale-Dependent Reproduction of Pen-and-Ink Illustrations.
In Computer Graphics, Proceedings of ACM SIGGRAPH 1996, pp. 461--468, 1996.

Bibtex:

@InProceedings{ salisbury:1996:SDPI,
  author = 	"Mike Salisbury and Corin Anderson and Dani Lischinski
                 and David H. Salesin",
  title = 	"Scale-Dependent Reproduction of Pen-and-Ink Illustrations",
  booktitle = 	"Computer Graphics, Proceedings of ACM SIGGRAPH 1996",
  pages = 	"461--468",
  year = 	"1996",
}

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