@inproceedings{DBLP:conf/caise/TsalgatidouKL90,
author = {Aphrodite Tsalgatidou and
V. Karakostas and
Pericles Loucopoulos},
title = {Rule-Based Requirements Specification and Validation},
booktitle = {CAiSE},
year = {1990},
pages = {251-263},
ee = {http://dx.doi.org/10.1007/BFb0000596},
bibsource = {DBLP, http://dblp.uni-trier.de}
}