Chapters by Dr. Axel Graeser

• Book Chapter Programming of Intelligent Service Robots with the Process Model “FRIEND::Process” and Configurable Task-Knowledge
  by Oliver Prenzel, Uwe Lange, Henning Kampe, Christian Martens and Axel Gräser in the book "Robotic Systems - Applications, Control and Programming" edited by Ashish Dutta, ISBN 978-953-307-941-7, InTech, February 2, 2012