| Author(s) | Title | Year | Reference | Language | Note |
|---|---|---|---|---|---|
| Mesquita Sousa , Gabriela | Impossibilidade de cumprimento da obrigação: as alterações do regime alemão e as normas do Código Civil Português | 2011 | Estudos Sobre Incumprimento do Contrato, Edited by: Maria Olinda Garcia, Coimbra Editora, Wolters Kluwer,2011, page 105-130 | Portuguese | |
| Možina, Damjan | Specific performance in the Draft Common Frame of Reference | 2009 | RDC 2009, 906 | English | |
| Možina, Damjan | Specific performance in the Draft Common Frame of Reference | 2009 | RDC 2009, 906 | English | |
| De Geest, Gerrit Kovac, Mitja | The Formation of Contracts in the Draft Common Frame of Reference | 2009 | ERPL 2009, 113 | English |