@article {Alexin90a, title = {{CONSTRUCTOR}: {A} Natural Language Interface Based on Attribute Grammars}, journal = {Acta Cybernetica}, volume = {9}, number = {3}, year = {1990}, pages = {247-255}, keywords = {applic.NL}, author = {Z. Alexin and J. Dombi and K. F{\'a}bricz and Tibor Gyim{\'o}thy and T. Horv{\'a}th} }