Model-based Competency-oriented Business Process Analysis. - Katrina Leyking; Ralf Angeli (MobIS, 2008)

Competency-Oriented Business Process Analysis - A Model-based Approach. - Katrina Leyking; Ralf Angeli (Enterp. Model. Inf. Syst. Archit. Int. J. Concept. Model., 2009)

Towards an Open SOA for Learning Management. - Katrina Leyking; Ralf Angeli; Nils Faltin; Fabrizio Giorgini; Gunnar Martin; Wolf Siberski; Volker Zimmermann 001 (MKWI, 2010)