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Andreas Krebs, Wolfgang Gerteis, Michael Altenhofen: Navigating e-learning course materials. SAP Aktiengesellschaft, Fish & Richardson P C, December 7, 2004: US06827578 (30 worldwide citation)

A learning system, method, and software generate a navigation path through a course based on a learning strategy. The course may be navigated by receiving graphs corresponding to the course, applying the learning strategy to the graphs, and generating a navigation path through the course for the lea ...


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Bernd Wieland Kruger, Reiner Fischer, Heinz Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans Joachim Santel, Klaus Lurssen, Robert R Schmidt, Christoph Erdelen, Ulrike Wachendorff Neumann, Wilhelm Stendel: 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives. Bayer Aktiengesellschaft, Sprung Horn Kramer & Woods, July 26, 1994: US05332720 (27 worldwide citation)

There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.


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