@incollection{Das_j2009, author = {J{\"u}rgen~Dassow}, title = {{Grammars with Commutative, Circular, and Locally Testable Conditions}}, editor = {Zolt\'an~\'Esik and Zolt\'an~F{\"u}l{\"o}p}, booktitle = {{Automata, Formal Languages, and Related Topics -- Dedicated to Ferenc G\'ecseg on the occassion of his 70th birthday}}, year = 2009, publisher = {Institue of Informatics, University of Szeged, Hungary}, pages = {27--37} }