@ARTICLE{DasManTru_j2012_tcs, author = {J{\"u}rgen~Dassow and Florin~Manea and Bianca~Truthe}, title = {On External Contextual Grammars with Subregular Selection Languages}, journal = tcs, year = 2012, volume = {449}, number = {1}, pages = {64--73}, url = {http://dx.doi.org/10.1016/j.tcs.2012.04.008} } % DCFS2011-lang