@article{1999:broughton:notational,
title = {Notational Expressivity; the Case for and against the Representation of Internal Subject Structure in Notational Coding},
year = {1999},
note = {},
journal = {KO KNOWLEDGE ORGANIZATION},
pages = {140--148},
author = {Broughton, Vanda},
volume = {26},
number = {3}
}