Louise Guthrie, Brian M. Slator, Yorick Wilks, Rebecca F. Bruce. Is there content in empty heads?. In COLING. pages 138-143, 1990. [doi]
@inproceedings{GuthrieSWB90, title = {Is there content in empty heads?}, author = {Louise Guthrie and Brian M. Slator and Yorick Wilks and Rebecca F. Bruce}, year = {1990}, url = {http://acl.ldc.upenn.edu/C/C90/C90-3025.pdf}, researchr = {https://researchr.org/publication/GuthrieSWB90}, cites = {0}, citedby = {0}, pages = {138-143}, booktitle = {COLING}, }