Informatik: 
Mathematik P.III.68881 
S t i f t e r, Sabine: A Medley of 
solutions to the robot collision 

problem in two or three dimensions. 
/Illustr./ -Wien: VWGÖ 1989. X, 
192 S. 8° 
(Dissertationen d. Johannes KeplerUniv. 
Linz. 81.)