Asuncion, Paraguay. Friday, October 19, 2012 saw the launch of "Oligarquías, Militares y Masones - La Guerra contra el Paraguay y la Consolidación de las Asimetrías Regionales" the book of the prestigious writer Mario Dotta Ostria. The event took place in the Cultural Center of the Central Bank of Paraguay. The event was attended by several national authorities and representatives of Freemasonry.