@Article{Das_j2007, author = {J{\"u}rgen~Dassow}, title = {On Cooperating Distributed Grammar Systems with Competence Based Start and Stop Conditions}, journal = fundinform, year = {2007}, volume = 76, number = 3, pages = {293--304}, url = {http://iospress.metapress.com/content/c97454xy5u6thfc9/fulltext.pdf} } %http://fi.mimuw.edu.pl/abs76.html#17}