This is the current Landsat circa 1990/2000 coverage available. Click on the map above to zoom in/out, or 'Select Image' to open a new window (requires javascript) to view or download the Landsat scene.
O. Balovnev, M. Breunig, and A. Cremers. Advances in Spatial Databases, volume 1262 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (1997)