Day, A.M. (1988) Planar Convex Hull Algorithms in Theory and Practice. Computer Graphics Forum, Sept. 16pp. ISSN 1467-8659
Glauert, JRW, Hammond, K, Kennaway, JR and Papadopoulos, GA (1988) Using DACTL to Implement Declarative Languages. In: Proc. CONPAR 88, 1988-01-01.