1 Table of Contents: “... Transformations in Mechanics vis-à-vis Those in Optics -- Round Table -- 23 Science and Technology in Latin...”

2 Table of Contents: “... in the Maintenance of Peace and Security in Latin America -- VII Energy —Environment — Development Interaction...”

3 “... in Latin America in the area of magnetism and magnetic materials. Equally important to everyone present...”

4 “...-Navarro, the meeting has taken place annually six times in Latin America, four in Europe and three...”