@article {2948,
	title = {Towards a {\textquoteright}notional{\textquoteright} theory of the {\textquoteright}parts of speech{\textquoteright}},
	journal = {Journal of Linguistics},
	volume = {2},
	year = {1966},
	month = {1966},
	pages = {209-236},
	keywords = {NG},
	author = {Lyons, John}
}
