@misc{Halpin2005,
title = {{ORM 2 Graphical Notation}},
author = {Terry Halpin},
institution = {Neumont University},
number = 1,
year = 2005,
url = {
http://www.orm.net/pdf/ORM2_TechReport1.pdf}
}
@book{Halpin2008,
title = {Information Modeling and Relational Databases},
author = {Terry Halpin and Tony Morgan},
isbn = {978-0-12-373568-3},
publisher = {Morgan Kaufmann},
year = 2008,
description = {2nd edition}
}
@misc{GPL2,
title = {{GNU Public License Version 2}},
publisher = {Free Software Foundation},
year = 1991,
}
@misc{LPPL,
title = {{LaTeX Project Public License (LPPL) Version 1.3c}},
publisher = {LaTeX3 Project},
year = 2008,
}
