129 B 132.820 Applications languaqe natural. -GÜnther ~riedl, Heinrich C. ~ayr Applications of natural language to information systems. Proceedings, 4th Internat. Conference NLDB '99. (17.-19. Juni 1999 in Klagenfurt.[Mit Abb.l -(Wien): Österr. Computer Ges. 1999. 276 S. 8° (Schriftenreihe d. Österr. Computer Ges. 129.) ISBN 3-85403-129-7