| Publication Type: | Miscellaneous |
| Year of Publication: | 1971 |
| Notes: | COMTE, D. and HASUI, Y. 1971. Geochronology of eastern Paraguay by the potassium-argon method. Revista Brasileira de Geociencias, 1: 33-43. |
| Publication Type: | Miscellaneous |
| Year of Publication: | 1971 |
| Notes: | COMTE, D. and HASUI, Y. 1971. Geochronology of eastern Paraguay by the potassium-argon method. Revista Brasileira de Geociencias, 1: 33-43. |