@article{DBLP:journals/cgf/PaternoCS94,
author = {Fabio Patern{\`o} and
Irene Campari and
Roberto Scopigno},
title = {The Design and Specification of a Visual Language: An Example
for Customising Geographic Information Systems Functionalities},
journal = {Comput. Graph. Forum},
volume = {13},
number = {4},
year = {1994},
pages = {199-210},
ee = {http://dx.doi.org/10.1111/1467-8659.1340199},
bibsource = {DBLP, http://dblp.uni-trier.de}
}