550.3 (06) | G37 3 | Geophysical observatory.Reports Geodetic and geophysical research institute of the hungarian akademy of sciencts. Year 1994-1998 [Текст] / Geophysical observatory.Reports. — Sopron : Hilebrand Nyomda Kft, 2001. — 351 p. |
| ISBN 963 8381 132 | |
|