Martin Matzner, Armin Stein, Carl Stolze, Matthias Voigt, Fábio Alexandrini. IS Research Challenges and Needs for Service Networks - A Brazilian-German Perspective. In Natalia Aseeva, Eduard Babkin, Oleg Kozyrev, editors, Perspectives in Business Informatics Research - 11th International Conference, BIR 2012, Nizhny Novgorod, Russia, September 24-26, 2012. Proceedings. Volume 128 of Lecture Notes in Business Information Processing, pages 136-147, Springer, 2012. [doi]