Blends in geometric modelling /
IMA Conference on the Mathematics of Surfaces(2nd :1986 :Cardiff)
Woodwark, J. R.
International Business Machines Corporation.
Winchester : IBM UK Scientific Centre,
1988.
"This paper was presented at the 2nd IMA Conference on the Mathematics of Surfaces, held at University College Cardiff, from 8 to 10 September, 1986."
"April 1988."