@Article{ RUIZ_RICO:310-316,

author = { FRANCISCO RUIZ LÓPEZ and LUIS RICO ROMERO } ,

title = { VISUALIZATION OF NUMERICAL PATTERNS BY MEANS OF CONGRUENCE RELATION. },

journal = { SYMMETRY: ART AND SCIENCE },

year = { 2004 },

issn = { 1447-607X },

pages = { 310-316 },

}