| |
| 1977 | ||
|---|---|---|
| 2 | EE | Werner Schwuchow: The economic analysis and evaluation of information and documentation systems. Inf. Process. Manage. 13(5): 267-272 (1977) |
| 1973 | ||
| 1 | EE | Werner Schwuchow: Fundamental aspects of the financing of information centres. Information Storage and Retrieval 9(10): 569-575 (1973) |