Java - Programmierhandbuch und Referenz für die Java-2-Plattform, Standard Edition (3. Aufl.). - Stefan Middendorf; Reiner Singer; Jörn Heid (dpunkt.verlag, 2003)

CAMPUS - A Flexible, Interactive System for Web-Based, Problem-Based Learning in Health Care. - Franz Ruderich; Matthias Bauch; Martin Haag; Jörn Heid; Franz Josef Leven; Reiner Singer; Heinrich Konrad Geiss; Jana Jünger; Burkhard Tönshoff (MedInfo, 2004)

Computer-based Training in Medicine and Learning Theories. - Martin Haag; Matthias Bauch; Sebastian Garde; Jörn Heid; Thorsten Weires; Franz Josef Leven (MIE, 2005)

Can design principles of traditional learning theories be fulfilled by computer-based training systems in medicine: The example of CAMPUS. - Sebastian Garde; Jörn Heid; Martin Haag; Matthias Bauch; Thorsten Weires; Franz Josef Leven (Int. J. Medical Informatics, 2007)

Development and Validation of Strategies to Test for Interoperability of Virtual Patients. - Andrzej A. Kononowicz; Jörn Heid; Jeroen Donkers; Inga Hege; Luke Woodham; Nabil Zary (MIE, 2009)

Enabling Interoperability, Accessibility and Reusability of Virtual Patients across Europe - Design and Implementation. - Nabil Zary; Inga Hege; Jörn Heid; Luke Woodham; Jeroen Donkers; Andrzej A. Kononowicz (MIE, 2009)

Different Learning and Assessment Scenarios Using the CAMPUS Virtual Patient System. - Jörn Heid; Benjamin Hanebeck; Frank Hess; Simone Huber; Martin Haag (Bio Algorithms Med Syst., 2009)

Demonstration of the CAMPUS Virtual Patient System. - Jörn Heid; Benjamin Hanebeck; Frank Hess; Simone Huber; Martin Haag; Sören Huwendiek (Bio Algorithms Med Syst., 2009)

Enriching Virtual Patients with Interactive Images. - Simone Huber; Frank Hess; Jeroen Donkers; Jörn Heid; Bas A. de Leng; Sören Huwendiek; Martin Haag (Bio Algorithms Med Syst., 2009)

Enabling Interoperability, Accessibility and Reusability of Virtual Patients - Findings from the eViP project. - Nabil Zary; Inga Hege; Jörn Heid; Andrzej A. Kononowicz; Luke Woodham; Jeroen Donkers (Bio Algorithms Med Syst., 2009)

Standardized and Extensible Javascript-API for Logging Functionality for the MVP Player. - Jörn Heid; Frank Hess; Simone Huber; Martin Haag (Bio Algorithms Med Syst., 2010)

The Combination of Virtual Patients and Small Group Discussions to Promote Refl ective Practice of Specialist Trainees. - Bas A. de Leng; Rene van Gent; Jeroen Donkers; Jean van Berlo; Daniëlle Verstegen; Frank Hess; Jörn Heid (Bio Algorithms Med Syst., 2010)

Push and Pull Models to Manage Patient Consent and Licensing of Multimedia Resources in Digital Repositories for Case-Based Reasoning. - Andrzej A. Kononowicz; Nabil Zary; David Davies; Jörn Heid; Luke Woodham; Inga Hege (MIE, 2011)

Development of an Accommodative Smartphone App for Medical Guidelines in Pediatric Emergencies. - Michael Schmucker; Jörn Heid; Martin Haag (eHealth, 2014)