Planning in Polynomial Time. - Christer Bäckström; Inger Klein (Expert Systems in Engineering, 1990)

Parallel Non-Binary Planning in Polynomial Time. - Christer Bäckström; Inger Klein (IJCAI, 1991)

Planning in polynomial time: the SAS-PUBS class. - Christer Bäckström; Inger Klein (Comput. Intell., 1991)

Efficient planning for a miniature assembly line. - Inger Klein; Peter Jonsson; Christer Bäckström (Artif. Intell. Eng., 1999)

Fault isolation in discrete event systems by observational abstraction. - Dan Lawesson; Ulf Nilsson; Inger Klein (CDC, 2003)

An Approach to Post Mortem Diagnosability Analysis for Interacting Finite State Systems. - Dan Lawesson; Ulf Nilsson; Inger Klein (MoChArt@CONCUR/SPIN, 2005)