Published in An Soc Cient Argentina, in 1947, in volume 144, issue 1, pages 46-64

Created: 2016-02-12, modified: 2016-02-12

Published in An Soc Cient Argentina, in 1947, in volume 144, issue 3, pages 379-406

Created: 2016-02-12, modified: 2016-02-12

Published in An Soc Cient Argentina, in 1947, in volume 144, issue 3, pages 434-446

Created: 2016-02-12, modified: 2016-02-12