Schäfer, Ulrich, Bernd Kiefer, Christian Spurk, Jörg Steffen, Rui Wang, Benjamin Weitz, and Magdalena Wolska. 2013. “The Searchbench - Combining Sentence-Semantic, Full-Text and Bibliographic Search in Digital Libraries”. LIBER Quarterly: The Journal of the Association of European Research Libraries 22 (4): 285-309. https://doi.org/10.18352/lq.8091.