Christian Freksa, Markus Knauff, Bernd Krieg-Br�ckner, Bernhard Nebel, Thomas Barkowsky <br/><br/>
Spatial Cognition IV, Reasoning, Action, Interaction 

 -  2005 
<br/><br/><label>ISBN: </label>978-3-540-32255-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Graphics<br/>Data Structures<br/> Earth Sciences, general<br/>Computer Science