@inproceedings{Bos2009CNL,
   title     = {A Controlled Fragment of DRT},
   author    = {Bos, Johan},
   booktitle = {Pre-Proceedings of the Workshop on Controlled Natural Language (CNL 2009)},
   editor    = {Fuchs, Norbert E.},
   series    = {CEUR Workshops Proceedings},
   volume    = {448},
   pages     = {1--5},
   year      = {2009}
}