0319 Mikael Pettersson DML - A Language and System for the Generation of Efficient Compilers from Denotational Specifications 1992 0326 Andreas Kågedal Logic Programming with External Procedures: An Implementation 1992 0473 Ulf Söderman On Conceptual Modelling of Mode Switching Systems 1995 0469 Lars Karlsson Specification and Synthesis of Plans Using the Features and Fluents Framework 1995 0475 Choong-ho Yi Reasoning about Concurrent Action in Trajectory Semantics 1995