Published in An Soc Cient Argentina, in 1945, in volume 139, issue 3, pages 120-136

Created: 2016-02-13, modified: 2016-02-13

Published in Anales De La Sociedad Cientifica Argentina, in 1945, in volume 139, issue 4, pages 152-161

Created: 2016-02-13, modified: 2016-02-13