C. Demont, U. Breitenbücher, O. Kopp, F. Leymann, and J. Wettinger. Proceedings of the 5th Central-European Workshop on Services
and their Composition (ZEUS 2013), volume 1029 of CEUR Workshop Proceedings, page 28--31. CEUR-WS.org, (September 2013)
H. Hasan, J. Jähnert, S. Zander, and B. Stiller. TIK Report No. 114, Computer Engineering and Networks Laboratory TIK, Swiss Federal Institute of Technology ETH Zürich, (June 2001)
S. Jeschke, T. Richter, T. Isele, and O. Pfeiffer. The 10th IASTED International Conference on Signal and Image Processing ~IMSA 2008~, Kailua, Hawaii, (August 2008)