6th  National Congress and 3rd  International Congress of Sema, 7th Interdisciplinary Symmetry Congress and exhibition of ISIS-symmetry, 11 to 17  de November 2007

6th  National Congress and 3rd  International Congress of Sema, 7th Interdisciplinary Symmetry Congress and exhibition of ISIS-symmetry, 11 to 17  de November 2007, Faculty of Architecture, Design and Urbanism, University of Buenos Aires, University Campus, Nunez, Building 3,4th floor, City of Buenos Aires, Argentina, Subject of the Congress, Form & Symmerty : Art and Science.The interartistic phenomenon”,

http://www.planum.net/events-news/form-and-symmetry-2007-art-and-science

http://www.mi.sanu.ac.rs/vismath/BA2007/sym55.pdf