| |
| 1993 | ||
|---|---|---|
| 1 | Maria C. Fernandez, Concepcion Perez, Rafael Portaencasa, Eugenio Santos: Constructing a Hierarchy of Generalization/Specialization from the O.A.S Hierarchy of Formal Classes. DAISD 1993: 257-265 | |
| 1 | Concepcion Perez | [1] |
| 2 | Rafael Portaencasa | [1] |
| 3 | Eugenio Santos | [1] |