| Issue Date | Title | Involved Person(s) |
| 2013 | Internet of services : telecommunication services evolution | Sorano, Javier; Heitz, Christoph; Hutter, Hans-Peter; Fernández, Rafael; Hierro, Juan J.; Vogel, Juergen; Edmonds, Andy; Bohnert, Thomas Michael |
| 2013 | Asset management : from minimizing costs to maximizing value creation | Heitz, Christoph; Sigrist, Jörg |
| 2011 | Modelling customer lifetime value in contractual settings | Heitz, Christoph; Dettling, Marcel; Ruckstuhl, Andreas |
| 2010 | Customer lifetime value under complex contract structures | Heitz, Christoph; Ruckstuhl, Andreas; Dettling, Marcel |
| 2009 | Fast realization of the modal vector fitting method for rational modeling with accurate representation of small eigenvalues | Gustavsen, Bjørn; Heitz, Christoph |
| 2008 | Knowledge management in call centers : how routing rules influence expertise and service quality | Heitz, Christoph; Ryder, Geoffrey; Ross, Kevin |
| 2008 | Maximizing service productivity through task routing rules | Ryder, Geoff; Heitz, Christoph; Ross, Kevin |
| 2008 | Flow-time estimation in dynamic job shops with priority scheduling using a hybrid modelling approach | Sigrist, Jörg; Heitz, Christoph |
| 2008 | Direct marketing of service contracts under autonomous customer dynamics | Heitz, Christoph; Hary, Ingo; Dettling, Marcel; Ruckstuhl, Andreas |
| 2008 | Modal vector fitting : a tool for generating rational models of high accuracy with arbitrary terminal conditions | Gustavsen, Bjørn; Heitz, Christoph |
| 2008 | The concept of shadow price to monetarize the intangible value of expertise | Fragniere, Emmanuel; Heitz, Christoph; Moresino, Franceso |
| Nov-2007 | A method to detect out of stock | Corsten, Daniel; Heitz, Christoph; Ruckstuhl, Andreas |
| 29-Aug-2007 | Verfahren und Vorrichtung zur Stoffuntersuchung | Hütter, Thomas; Heitz, Christoph; Schawe, Jürgen |
| 2007 | Weltweites Netz von Distributionsstandorten optimiert | van Bonn, Bernhard; Heitz, Christoph |
| 2007 | Rational modeling of multiport systems by modal vector fitting | Gustavsen, Björn; Heitz, Christoph |
