@inproceedings{compsci1269, booktitle = {27th conference of the International Computer Archive of Modern and Medieval English (ICAME)}, month = {May}, title = {Exploring grammatical change across the twentieth century: A backward step permits further advance}, author = {N. Smith and G. Leech and P. Rayson}, year = {2006}, url = {http://eprints.comp.lancs.ac.uk/1269/} }