| Type | Article |
| Authors(s) | Ribes, J. |
| Year | 1974b |
| Title | Sobre Piesma rotundata Horváth, 1906 y formas afines (Hem. Piesmidae) |
| Volume | 27 |
| Page(s) | 79-89 |
| Published in/Publisher | Graellsia |
| Type | Article |
| Authors(s) | Ribes, J. |
| Year | 1974b |
| Title | Sobre Piesma rotundata Horváth, 1906 y formas afines (Hem. Piesmidae) |
| Volume | 27 |
| Page(s) | 79-89 |
| Published in/Publisher | Graellsia |