Michael Nitsche. Analysis and Refinement of Constraint Answer Sets in a Planning System. In María Alpuente, Roberto Barbuti, Isidro Ramos, editors, 1994 Joint Conference on Declarative Programming, GULP-PRODE 94 Peñiscola, Spain, September 19-22, 1994, Volume 1. pages 31-45, 1994.
Abstract is missing.