@InProceedings{JennyMcdonaldAlistairKnottRichardZeng:2012:ALTA2012,
author = {Jenny Mcdonald and Alistair Knott and Richard Zeng},
title = {Free-text input vs menu selection: exploring the difference with a tutorial dialogue system.},
booktitle = {Proceedings of the Australasian Language Technology Association Workshop 2012},
month     = {December},
year      = {2012},
address   = {Dunedin, New Zealand},
pages = {97--105},
url = {http://www.aclweb.org/anthology/U/U12/U12-1013}
}