@inproceedings{Tong90,
  title = {An Explanation Facility for a Grammar Writing System},
  author = {Loong Cheong Tong},
  year = {1990},
  url = {http://acl.ldc.upenn.edu/C/C90/C90-2062.pdf},
  tags = {writing, grammar},
  researchr = {https://researchr.org/publication/Tong90},
  cites = {0},
  citedby = {0},
  pages = {359-364},
  booktitle = {COLING},
}