por Kelsen, Hans, 1881-1973 [autor] | Garzón Valdés, Ernesto [traductor] | Kelsen, Hans, 1881-1973. Was is gerechtigkeit?.
por Kelsen, Hans, 1881-1973 [autor] | Garzón Valdés, Ernesto [traductor] | Kelsen, Hans, 1881-1973. Was ist die reine rechtslehre?.