| |
| 1988 | ||
|---|---|---|
| 2 | Hans-Albrecht Koch: How Will CD-Rom Affect th Cooperation Within Library Networks? Essen Symposium 1988: 77-93 | |
| 1986 | ||
| 1 | Hans-Albrecht Koch: Linking Supra-Local Demands with Local Demands in the Individual Library's EDP Planning. Essen Symposium 1986: 269-284 | |