Published in Anales De La Sociedad Cientifica Argentina, in 1928, in volume 104, pages 197-204

Published in An Soc Cien Argentina, in 1928, in volume 104, issue 1/6, pages 137-158

Published in Anales de la Sociedad Cientifica Argentina, in 1928, in volume 105, pages 43-45

Published in Anales de la Sociedad Cientifica Argentina, in 1928, in volume 106, pages 25-66

Published in Anales De La Sociedad Cientifica Argentina, in 1928, in volume 106, pages 287-290

Published in Anal Soc Cient Argentina, in 1928, in volume 106, issue 4, pages 179-186

Published in An Soc Cien Argentina, in 1928, in volume 106, issue 6, pages 317-331

Published in An Soc Cien Argentina, in 1928, in volume 106, issue 6, pages 332-342