| Title | Equality-free Logic: The Method of Diagrams and Preservation Theorems |
| Publication Type | Journal Article |
| Year of Publication | 1999 |
| Authors | Dellunde P |
| Journal | Logic Journal of the IGPL |
| Volume | 7 |
| Pagination | 717-732 |
| Title | Equality-free Logic: The Method of Diagrams and Preservation Theorems |
| Publication Type | Journal Article |
| Year of Publication | 1999 |
| Authors | Dellunde P |
| Journal | Logic Journal of the IGPL |
| Volume | 7 |
| Pagination | 717-732 |