@incollection{DasMih_j1995, author = {J{\"u}rgen~Dassow and Valeria~Mihalache}, title = {{Eco-grammar systems, matrix grammars and EOL systems}}, booktitle = {{Artificial Life: Grammatical Models}}, publisher = {Black Sea University Press}, year = 1995, editor = {Gheorghe~P\u{a}un}, pages = {210--226} }