Surfaces in computer aided geometric design : proceedings of a conference held at Mathematisches Forschungsinstitut Oberwolfach, Federal Republic of Germany, April 25-30, 1982 / organized by Wolfgang Boehm and Josef Hoschek ; edited by Robert E. Barnhill and Wolfgang Boehm. Barnhill, Robert E. ed. Boehm, Wolfgang, 1928- jt. ed. Computer graphics Congresses. Engineering design Data processing Congresses. Surfaces Data processing Congresses. T385 .S827 1983 001.6424 19 BAS Includes bibliographies. Amsterdam ; New York : North-Holland ; Elsevier Science, c1983. c1983. 1983 Text xvi, 215 p. : eng