@article{journals/dm/GionfriddoQ08,
	title = {Embedding balanced P3-designs into (balanced) P4-designs.},
	author = {Mario Gionfriddo and Gaetano Quattrocchi},
	journal = {Discrete Mathematics},
	number = {2-3},
	pages = {155-160},
	url = {http://dblp.uni-trier.de/db/journals/dm/dm308.html#GionfriddoQ08},
	volume = {308},
	year = {2008},
	biburl = {http://www.bibsonomy.org/bibtex/26be033241924b2c35bf997e63548228e/dblp},
	description = {dblp},
	ee = {http://dx.doi.org/10.1016/j.disc.2006.11.027}, date = {2008-02-21},
	keywords = {dblp }
}