How to define a context-free backbone for DGs: Implementing a DG in the LFG formalism

Norbert Bröker How to define a context-free backbone for DGs: Implementing a DG in the LFG formalism http://arxiv.org/abs/cmp-lg/9808009 1998 CoRR cmp-lg/9808009 db/journals/corr/corr9808.html#cmp-lg-9808009