On the figure of the earth’s equipotential surface from satellite orbit dynamics Milan Burša OriginalPaper 01 March 1969 Pages: 1 - 12
Optimum linear operators and their application in interpolating and computing derived fields in magnetometry and gravimetry Otakar Man OriginalPaper 01 March 1969 Pages: 13 - 24
Die Thermohysterese und der Einfluss der Aussentemperatur bei Dem Gravimeter Gs 12 Nr. 129 Zdeněk Šimon OriginalPaper 01 March 1969 Pages: 25 - 34
Ponderomotoric forces and sudden irregularities in the earth’s rotation, I Gustáv Siráň OriginalPaper 01 March 1969 Pages: 35 - 41
Properties of spectra of geomagneticpi2 pulsations recorded at the budkov observatory Jaroslav Střeštík OriginalPaper 01 March 1969 Pages: 42 - 59
Effect of the lower ionosphere on electromagnetic disturbances with periods corresponding to micropulsations Josef Bochníček OriginalPaper 01 March 1969 Pages: 60 - 75
Model of elementary step on the basal face of an ice crystal Dana Lakomá OriginalPaper 01 March 1969 Pages: 76 - 87
Zur Berechnung der Genauigkeitscharakteristiken einer Harmonischen Analyse Bořivoj Delong Краткие СооБщения 01 March 1969 Pages: 88 - 90
Auroral and archaeomagnetic variations in the past František Link Краткие СооБщения 01 March 1969 Pages: 90 - 93
Anwendung der Autokorrelativen und Harmonischen Analyse beim Studium der Wellen im Druckfelde Eva ČechováAleš Gottwald Краткие СооБщения 01 March 1969 Pages: 93 - 99
European Seismological Commission Sub-Commission for the Carpathian and Balkan regions Alois Zátopek Хроника 01 March 1969 Pages: 100 - 103