@ARTICLE{Das_j1988_a, author = {J{\"u}rgen~Dassow}, title = {Pure languages of regulated rewriting and their codings}, journal = actacybern, year = 1988, volume = 8, number = 3, pages = {227--235}, url = {http://www.inf.u-szeged.hu/actacybernetica/prevvols/8_3/8_3.pdf} }