Towards an Integrated Discovery System. - Bernd Nordhausen; Pat Langley (IJCAI, 1987)

A Robust Approach to Numeric Discovery. - Bernd Nordhausen; Pat Langley (ML, 1990)

The HEFTI Model of Text to Hypertext Conversion. - Mark H. Chignell; Bernd Nordhausen; J. Felix Valdez; John A. Waterworth (Hypermedia, 1991)

An Integrated Framework for Empirical Discovery. - Bernd Nordhausen; Pat Langley (Mach. Learn., 1993)