| 其他書名 | Proceedings of the Symposium Held by the Commission of the European Communities, Directorate-General Information Market and Innovation in Luxembourg, 10 to 12 June 1981 |
| 出版 | Commission of the European Communities, Directorate-General Information Market and Innovation, 1982 |
| ISBN | 92825283759789282528372 |
| URL | http://books.google.com.hk/books?id=pEBiAAAAMAAJ&hl=&source=gbs_api |