Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Wetter, Olive Emil; Hofer, Franziska; Schmutz, Philipp; Jonas, Klaus (2017). Improving the effectiveness of nondisclosure agreements by strengthening concept learning. R & D Management, 47(2):253-264.