S. Klingner, M. Böttcher, M. Becker, and A. Döhler. RESER 2011 Productivity of Services NextGen - Beyond Output/Input. Conference Proceedings., (8th-9th September 2011)
M. Freitag, S. Lamberth, S. Klingner, and M. Böttcher. RESER 2011 Productivity of Services NextGen - Beyond Output/Input. Programme and Abstracts., page 63-64. (8th-9th September 2011)
S. Klingner, M. Böttcher, M. Becker, and A. Döhler. RESER 2011 Productivity of Services NextGen - Beyond Output/Input. Programme and Abstracts., page 150. (8th-9th September 2011)
M. Becker, S. Klingner, and M. Böttcher. RESER 2011 Productivity of Services NextGen - Beyond Output / Input. Conference Proceedings, (8th/9th September 2011)
M. Becker, S. Klingner, and M. Böttcher. RESER 2011 Productivity of Services NextGen - Beyond Output / Input. Programme and Abstracts, page 144--145. (8th/9th September 2011)
M. Becker, M. Böttcher, and S. Klingner. RESER 2011 Productivity of Services NextGen - Beyond Output / Input. Conference Proceedings, (8th/9th September 2011)
M. Becker, M. Böttcher, and S. Klingner. RESER 2011 Productivity of Services NextGen - Beyond Output / Input. Programme and Abstracts, page 183--184. (8th/9th September 2011)
M. Becker, S. Klingner, and M. Böttcher. Proceedings of the Federated Conference on Computer Science and Information Systems, page 505--512. Szczecin, Poland, (18--21 September 2011)