Rezul'taty geomagnitnych, telluričeskich i ionosfernych izmerenij, provedennych v observatorijach Prugonice, Budkov i Panská Ves v tečenie 1959 goda : results of geomagnetic, earth current and ionospheric measurements made at the observatories of Pruhonice, Budkov and Panská Ves in 1959
[sost.] Jan Bouška ... [et al.]
Bok Språk ikke angitt 1962