@InProceedings{Sti_j1996, author = {Ralf~Stiebe}, title = {Some New Decision Results for Edge Grammars}, booktitle = {Developments in Language Theory II, At the Crossroads of Mathematics, Computer Science and Biology, Magdeburg, Germany, 17--21 July 1995}, year = {1996}, pages = {329--338}, editor = {J{\"u}rgen~Dassow and Grzegorz~Rozenberg and Arto~Salomaa}, publisher = worldsci }