Andresen, Egon Ch. ; Keller, R. (1997):
Variable speed drive with current source inverter supply and permanent magnet synchronous motor compared with cage induction motor.
In: Electrical engineering, 80, pp. 375-381. Springer, e-ISSN 1432-0487,
[Article]

Keller, R. ; Effelsberg, W. (1995):
Effiziente Verarbietung von multimedialen Datenstr"omen in Window-Systemen.
In: it+it - Informationstechnik und Technische Informatik, 37 (4), pp. 11 - 17. [Article]

Keller, R. ; Effelsberg, W. ; Lamparter, B. (1995):
Xmovie: Architecture and Implementation of a Distributed Movie System.
In: ACM Transactions on Office Information Systems, 13 (4), pp. 471 - 495. [Article]

Effelsberg, W. ; Lamparter, B. ; Keller, R.
Spaniol, O. ; Danthine, A. ; Effelsberg, W. (eds.) (1994):
Application Layer Issues for Digital Movies in High-Speed Networks.
In: Architecture and Protocols for High-Speed Networks, pp. 273 - 292, Dordrecht, Kluwer Academic Publishers, [Book Section]

Keller, R. ; Fischer, S. ; Effelsberg, W. (1994):
Implementing Movie Control, Access and Management - From a Formal Description to a Working Multimedia System.
In: Proc. 14th Int. Conf. On Distributed Computing Systems (ICDCS-14), Poznan, Poland, pp. 276 - 283,
[Conference or Workshop Item]

Keller, R. ; Effelsberg, W. ; Lamparter, B.
Shepherd, D. ; Blair, G. ; Coulson, G. ; Davies, N. ; Garcia, F. (eds.) (1994):
Performence Bottlenecks in Digital Movie Systems.
In: Proc. of the 4th International Workshop on Network and Operating System Support for Digital Audio and Video, Lancaster, lecture Nozes in Computer Sience, pp. 161 - 172,
Heidelberg, Berlin, Springer-Verlag, [Conference or Workshop Item]

Keller, R. ; Effelsberg, W.
Rangan, P. V. (ed.) (1993):
MCAM: An Application Layer Protocol for Movie Control, Access and Management.
In: Proc. ACM Multimedia 93, Anaheim, CA, pp. 21 - 29,
[Conference or Workshop Item]

Keller, R. ; Lamparter, B. ; Effelsberg, W. (1992):
Erweiterung von X für digitale Filme.
In: PIK - Praxis der Information und Kommunikation, 15 (4), pp. 196 - 204. [Article]