@article{journals/dm/Quattrocchi97,
	title = {On arcs in path designs of block size four.},
	author = {Gaetano Quattrocchi},
	journal = {Discrete Mathematics},
	number = {1-3},
	pages = {283-292},
	url = {http://dblp.uni-trier.de/db/journals/dm/dm174.html#Quattrocchi97},
	volume = {174},
	year = {1997},
	biburl = {http://www.bibsonomy.org/bibtex/2c4254d346f1976b30c839ec7827f4f13/dblp},
	description = {dblp},
	ee = {http://dx.doi.org/10.1016/S0012-365X(96)00340-8}, date = {2007-06-25},
	keywords = {dblp }
}