1
Published 1990
Springer Netherlands
Table of Contents: ... -- The Astro-D Mission -- The X-Ray Timing Explorer -- The Joint European Telescope for X-Ray Astronomy (JET-X...

2
Published 1993
Springer Netherlands
... the regular periodic brightness variations which he found. Over this long span of time our knowledge about...

3
Published 1987
Springer Netherlands
... in the IUE. As such, it is a testimony to timely international cooperation and sharing of resources that open...

4
Published 1987
Springer Netherlands
... in this field that an international colloquium sponsored by the International Astronomical Union would be timely...