[World Scientific Publishing Company Proceedings of the MG12 Meeting on General Relativity - UNESCO Headquarters, Paris, France (12 – 18 July 2009)] The Twelfth Marcel Grossmann Meeting - On Recent Developments in Theoretical and Experimental General Relativity Astrophysics and Relativistic Field Theories - Proceedings of the MG12 Meeting on General Relativity - ANALOGY BETWEEN GENERAL RELATIVITY AND ELECTROMAGNETISM BASED ON TIDAL TENSORS