Alfredo Ferro Rosalba Giugno Piera Laura Puglisi Alfredo Pulvirenti BitCube: A Bottom-Up Cubing Engineering. 189-203 2009 DaWaK http://dx.doi.org/10.1007/978-3-642-03730-6_16 conf/dawak/2009 db/conf/dawak/dawak2009.html#FerroGPP09