“...Bulletin of the Astronomical Institutes of Czechoslovakia...”

“...Bulletin of the Czechoslovak Seismological Station Průhonice, Praha, Kašperské Hory, Cheb...”

“...Bulletin of the Slovak Seismographic Stations Bratislava, Šrobárová, Hurbanovo and Skalnaté Pleso...”

“...Bulletin of the Geological Survey Prague...”