Search results
- Occasional Papers. Brussels. doi:10.2765/20231 (inactive 2024-09-19). ISBN 978-92-79-22849-0.{{cite book}}: CS1 maint: DOI inactive as of September 2024 (link)...18 KB (2,129 words) - 00:55, 19 September 2024
2012. p. 38. doi:10.2765/20231 (inactive 18 September 2024). ISBN 978-92-79-22849-0.{{cite book}}: CS1 maint: DOI inactive as of September 2024 (link)...224 KB (19,890 words) - 08:38, 30 September 2024
