Anniversary of the Hurbanovo Geomagnetic Observatory : <75. ; : 1975
Titolo
Electromagnetic field of the Earth : proceeding of the symposium on the occasion of the 75th anniversary of the Hurbanovo Geomagnetic Observatory, Hurbanovo and Smolenice, October 8-10, 1975 / edited by M. Hvozdara
Pubbl/distr/stampa
Bratislava : Veda, Pub. House of the Slovak Academy of Sciences, 1978