TY - BOOK T1 - Relativity and its roots A1 - Hoffmann, Banesh LA - English PP - New York PB - Dover Publications YR - 1983 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.5825 OP - 161 SN - 0-486-40676-8 KW - Principio de la Relatividad ER -