@conference {TSG86, title = {Automatic compiler generation}, booktitle = {Proceedings of 1st Symposium on Automata, Languages and Programming Systems}, year = {1986}, month = {jun}, pages = {289-297}, author = {J. Toczki and E. Simon and T. Garai and T. Kocsis and Tibor Gyim{\'o}thy} } @article {GySM83, title = {{An implementation of the HLP}}, journal = {Acta Cybernetica - Szeged}, volume = {6}, number = {3}, year = {1983}, pages = {315-327}, author = {Tibor Gyim{\'o}thy and E. Simon and {\'A}. Makay} }