@inproceedings{conf/sigmod/RichardsonS91,
title = {Aspects: Extending Objects to Support Multiple, Independent Roles.},
author = {Joel E. Richardson and Peter M. Schwarz},
booktitle = {SIGMOD Conference},
crossref = {conf/sigmod/91},
editor = {James Clifford and Roger King},
pages = {298-307},
publisher = {ACM Press},
url = {http://dblp.uni-trier.de/db/conf/sigmod/sigmod91.html#RichardsonS91},
year = {1991},
description = {dblp},
date = {2008-07-23}, cite = {conf/oopsla/UngarS87}, ee = {db/conf/sigmod/RichardsonS91.html}, cdrom = {SIGMOD91/P298.PDF},
keywords = {dblp }
}
::