@inproceedings{DBLP:conf/icfem/SinghCS97,
author = {Harbhajan Singh and
Mirko Conrad and
Sadegh Sadeghipour},
title = {Test Case Design Based on Z and the Classification-Tree
Method},
booktitle = {ICFEM},
year = {1997},
pages = {81-90},
bibsource = {DBLP, http://dblp.uni-trier.de}
}