A constructive view of GPSG or how to make it work.

Stephan Busemann Christa Hauenschild A constructive view of GPSG or how to make it work. 77-82 1988 conf/coling/1988 COLING db/conf/coling/coling1988-1.html#BusemannH88 http://aclweb.org/anthology/C/C88/C88-1017.pdf