http://crca.ucsd.edu/~hcohen/
papers
1999 COLOURING WITHOUT SEEING: A PROBLEM IN MACHINE CREATIVITY
1994 THE FURTHER EXPLOITS OF AARON, PAINTER
1990 BROTHER GIORGIO'S KANGAROO
1988 HOW TO DRAW THREE PEOPLE IN A BOTANICAL GARDEN
1986 OFF THE SHELF
1982 HOW TO MAKE A DRAWING
1979 WHAT IS AN IMAGE?
1976 THE MATERIAL OF SYMBOLS
1974 ON PURPOSE
1973 PARALLEL TO PERCEPTION