| |
| 1989 | ||
|---|---|---|
| 3 | David Raitt, Ching-chih Chen: Use of CD-ROMs in West German Libraries. Essen Symposium 1989: 25-36 | |
| 1985 | ||
| 2 | David Raitt: Online Catalogues: The Facts, the Features, the Future. Essen Symposium 1985: 393-411 | |
| 1984 | ||
| 1 | David Raitt: Based on Experience: Tips for Vendors, Operators and Users of Automated Systems. Essen Symposium 1984: 5-27 | |
| 1 | Ching-chih Chen | [3] |