Media type: E-Article Title: Lecture Notes in Computer Science: Productivity of Services - An Empirical View on the German Market Contributor: Klingner, Stephan; Becker, Michael; Fähnrich, Klaus-Peter imprint: Springer International Publishing, 2014 Published in: Lecture Notes in Computer Science Language: Not determined DOI: 10.1007/978-3-319-07293-7_50 ISSN: 0302-9743; 1611-3349 Origination: Footnote: