Bandes, Robert G. "Constraining-Unification and the Programming Language UNICORN"
(1986)
DeGroot, Doug; Lindstrom, Gary (Eds.): Logic Prog (1986)
DeGroot, Doug; Lindstrom, Gary (Eds.): Logic Programming: Functions, Relations, and Equations. Prentice-Hall, 1986
Languages mentioned
UNICORN
{1986}