Published in Anales De La Sociedad Cientifica Argentina, in 1951, in volume 151, pages 105-125

Published in An Soc Cient Argentina, in 1951, in volume 151, issue 1, pages 43-48

Published in An Soc Cient Argentina, in 1951, in volume 151, issue 5, pages 211-214

Published in An Soc Cient Argentina, in 1951, in volume 151, issue 5, pages 228-243

Published in An Soc Cient Argentina, in 1951, in volume 151, issue 6, pages 276-278

Published in Anales De La Sociedad Cientifica Argentina, in 1951, in volume 152, pages 138-142

Published in An Soc Cient Argentina, in 1951, in volume 152, issue 1, pages 3-17

Published in An Soc Cient Argentina, in 1951, in volume 152, issue 2, pages 63-67

Published in An Soc Cient Argentina, in 1951, in volume 152, issue 3, pages 116-126

Published in An Soc Cient Argentina, in 1951, in volume 152, issue 4, pages 167-178

Published in An Soc Cient Argentina, in 1951, in volume 152, issue 6, pages 255-264