| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Permanent Satellite Tracking Networks for Geodesy and Geodynamics: Symposium No. 109 Vienna, Austria, August 11-24, 1991 | 978-3-540-55827-9 (3-540-55827-6) | 1993 | |
| Permanent Satellite Tracking Networks for Geodesy and Geodynamics: Vienna, Austria, August 11-24, 1991 | 978-0-387-55827-1 (0-387-55827-6) | 1993 |