@InBook{Parsing_with_Logical_Variables, author = "Tim Finin and Martha Palmer", editor = "Leonard Bolc", title = "{Parsing with Logical Variables}", month = "January", year = "1987", note = "<ul> <li> This is a slightly revised version of a paper that appeared in the Proceedings of the First Conference on Applied Natural Language Processing in 1983.</li> <li>DOI: <a href="https://doi.org/10.1007/978-3-642-83030-3_2">10.1007/978-3-642-83030-3_2</a></li> </ul>", pages = "33-48", booktitle = "Natural Language Parsing Systems", publisher = "Springer Berlin Heidelberg", }