Paper  bibtex   

@conference{
	11391_910903,
	author = { G  Di Battista  and  G  Liotta  and  M  Strani  and  F  Vargiu },
	title = {Diagram Server},
	year = {1992},
	publisher = {World Scientific},
	volume = {36},
	booktitle = {Advanced Visual Interfaces},
	url = {http://www.informatik.uni-trier.de/~ley/db/conf/avi/avi92.html},
	pages = {415--417}
}