Published in Anales De La Sociedad Cientifica Argentina, in 1952, in volume 153, pages 254-258

Published in An Soc Cient Argentina, in 1952, in volume 153, issue 5, pages 212-218

Published in An Soc Cient Argentina, in 1952, in volume 153, issue 6, pages 227-229

Published in An Soc Cient Argentina, in 1952, in volume 153, issue 6, pages 230-242

Published in An Soc Cient Argentina, in 1952, in volume 154, issue 1, pages 3-9

Published in An Soc Cient Argentina, in 1952, in volume 154, issue 2, pages 65-77

Published in An Soc Cient Argentina, in 1952, in volume 154, issue 2, pages 78-80

Published in An Soc Cient Argentina, in 1952, in volume 154, issue 3, pages 102-104

Published in An Soc Cient Argentina, in 1952, in volume 154, issue 4, pages 107-110

Published in An Soc Cient Argentina, in 1952, in volume 154, issue 6, pages 155-159