@article{ref1,
title="The Psychological Study of Crowding: Some Historical Roots and Conceptual Developments",
journal="American behavioral scientist",
year="1975",
author="Loo, Chalsa",
volume="18",
number="6",
pages="826-842",
abstract="For every phenomenon there exists origins and developments. In this paper the psychological study of crowding is discussed in terms of its origins and some of its conceptual developments.<p />",
language="",
issn="0002-7642",
doi="10.1177/000276427501800607",
url="http://dx.doi.org/10.1177/000276427501800607"
}