@Article{ REAL_GEA_GUTIERREZ:1-1,

author = { SANTIAGO REAL MARTINEZ and MIGUEL GEA MEGIAS and FRANCISCO LUIS GUTIERREZ VELA } ,

title = { TOWARD SPATIAL SPECIFICATION OF INTERACTIVE SYSTEM },

journal = { EUROGRAPHICS TECHNICAL REPORT SERIES },

year = { 1999 },

issn = { 1017-4656 },

pages = { 1-1 },

}