Design Process Modeling in Chemical Engineering. - Manfred Theißen; Ri Hai; Wolfgang Marquardt (J. Comput. Inf. Sci. Eng., 2008)

Administration Models and Management Tools. - Ri Hai; Thomas Heer; Markus Heller; Manfred Nagl; Ralph Schneider; Bernhard Westfechtel; René Wörzberger (Results of the IMPROVE Project, 2008)

Document Models. - Jan Morbach; Ri Hai; Birgit Bayer; Wolfgang Marquardt (Results of the IMPROVE Project, 2008)

Computer-Assisted Work Process Modeling in Chemical Engineering. - Manfred Theißen; Ri Hai; Wolfgang Marquardt (Results of the IMPROVE Project, 2008)

Scenario-Based Analysis of Industrial Work Processes. - Manfred Theißen; Ri Hai; Jan Morbach; Ralph Schneider; Wolfgang Marquardt (Results of the IMPROVE Project, 2008)

An Extensible Modeling Language for the Representation of Work Processes in the Chemical and Process Industries. - Ri Hai; Manfred Theißen; Wolfgang Marquardt (Graph Transformations and Model-Driven Engineering, 2010)

An ontology based approach for operational process modeling. - Ri Hai; Manfred Theißen; Wolfgang Marquardt (Adv. Eng. Informatics, 2011)

A framework for work process modeling in the chemical industries. - Manfred Theißen; Ri Hai; Wolfgang Marquardt (Comput. Chem. Eng., 2011)