Udo Hahn, Ulrich Reimer. Topic Essentials. In COLING. pages 497-503, 1986.
@inproceedings{HahnR86, title = {Topic Essentials}, author = {Udo Hahn and Ulrich Reimer}, year = {1986}, researchr = {https://researchr.org/publication/HahnR86}, cites = {0}, citedby = {0}, pages = {497-503}, booktitle = {COLING}, }