Güntsch, A., Hoffmann, N., Kelbert, P. and Berendsohn, W.G. 2009. EFFECTIVELY SEARCHING SPECIMEN AND OBSERVATION DATA WITH TOQE, THE THESAURUS OPTIMIZED QUERY EXPANDER. Biodiversity Informatics. 6, 1 (Sep. 2009), 53–58. DOI:https://doi.org/10.17161/bi.v6i1.1631.