@ARTICLE{JVLC04,
author = {Giuseppe Della Penna and Benedetto Intrigila and Sergio Orefice},
title = {An Environment for the Design and Implementation of Visual Applications},
doi = {10.1016/j.jvlc.2004.03.002},
journal = {International Journal of Visual Languages and Computing},
editor = {Elsevier},
pages = {439--461},
year = {2004},
month = {5},
volume = {15},
number = {6}
}