Voigt, Marco Automation of Logic, MPI for Informatics, Max Planck Society;
http://csl16.lif.univ-mrs.fr/static/media/talk82/slides_website_version.pdf (Any fulltext)
Voigt, M. (2016). The Complexity of Satisfiability in the Separated Fragment - A Journey Through ELEMENTARY and Beyond. In Seventeenth International Workshop on Logic and Computational Complexity (pp. 43-47).