Gert Vegter
Johann Bernoulli Institute for Mathematics and Computer Science
Nijenborgh 9, 9747 AG Groningen
P.O. Box 407, 9700 AK Groningen
The Netherlands
Phone: +31 50 363 3930
Fax: +31 50 363 3800
Email: G.Vegter - at - rug.nl
Johann Bernoulli Institute for Mathematics and Computer Science
Nijenborgh 9, 9747 AG Groningen
P.O. Box 407, 9700 AK Groningen
The Netherlands
Phone: +31 50 363 3930
Fax: +31 50 363 3800
Email: G.Vegter - at - rug.nl