@article{heeman-hirst-1995-collaborating, title = "Collaborating on Referring Expressions", author = "Heeman, Peter A. and Hirst, Graeme", editor = "Hirschberg, Julia", journal = "Computational Linguistics", volume = "21", number = "3", year = "1995", address = "Cambridge, MA", publisher = "MIT Press", url = "https://preview.aclanthology.org/fix-sig-urls/J95-3003/", pages = "351--382" }