- CSB - MetaPress - Google - Bing - Yahoo
 | 1997 | |
|---|---|---|
| 1 |      | John Bair, Michael H. Böhlen, Christian S. Jensen, Richard T. Snodgrass: Notions of Upward Compatibility of Temporal Query Languages. Wirtschaftsinformatik 39(1): 25-34 (1997) |
| 1 | Michael H. Böhlen | [1] |
| 2 | Christian S. Jensen | [1] |
| 3 | Richard T. Snodgrass | [1] |