@string{NLPPRS:99 = {Proceedings of the {N}atural {L}anguage {P}rocessing 
                     {P}acific {Rim} {S}ymposium}}

@inproceedings{Ste:Tsu:99a,
  author = {Roland Steiner and J. Tsujii},
  title = {M-rules.  {A}daptable Rules for Robustness in 
           Unification-based Systems},
  booktitle = NLPPRS:99,
  pages = {126$\,$--$\,$131},
  address = {Beijing, China},
  year = 1999,
  ps = {http://www-tsujii.is.s.u-tokyo.ac.jp/papers/nlprs99mr_cr.ps}
}