Geophysical observatory reports of the Geodetic and geophysical research institute of the Hungarian academy of sciences Year 1982 Observatory of nagycenk

Geophysical Observatory Reports of the geodetical and geophysical research Institute of Hungarian Academy of sciences 1973 Observatory of Nagycenk

Geophysical Observatory Reports of the geodetical and geophysical research Institute of the Hungarian Academy of Sciences : Year 1976.

Geophysical observatory reports of the Geodetical and geophysical research institute of the Hungarian academy of sciences. : Observatory of Nagycenk : year 1974 /

Geophysical Observatory Reports of the Geodetical and Geophysical Research Institute of the Hungarian Academy of Sciences : Year 1977 Observatory of Nagycenk.

Geophysical Observatory Reports of the Geodetical and Geophysical Research Institute of the Hungarian Academy of Sciences : Year 1975 Observatory of Nagycenk.

Geophysical observatory reports of the geodetic and geophysical Research institute of the Hungarian academy of sciences 1985

Geophysical observatory reports of The Geodetic and Geophysical Research Institute of The Hungarian Academy of Sciences year 1994-1998. : Nagycenk geophysical observatory. /

Geophysical observatory report of the Geodetic and geophysical research institute of the Hungarian academy of sciences, year 1986, 1987 Observatory of Nagycenk

Geophysical observatory reports of the Geodetic and geophysical research institute of the Hungarian academy of sciences year 1992-1993. : Nagycenk geophysical observatory IAGA code: NCK. /

Geophysical observatory reports of the Geodetic and Geophysical Research Institute of the Hungarian Academy od Sciences. Year 1990-1991. : Observatory of Nagycenk.

Geophysical obseratory reports of the Geodetic and geographical research institute of the Hungarian Academy of Sciense, year 1979 : observatory of Hagycenk.

Geophysical obseratory reports of the Geodetic and geographical research institute of the Hungarian Academy of Sciense, year 1978 : Observatory of Nagycenk.

Contributions of the Geophysical Institute of the Slovak Academy of Sciences. Volume 11 /

Contributions of the Geophysical Institute of the Slovak Academy of Sciences / Volume 15 /

Contributions of the Geophysical Institute of the Slovak Academy of Sciences. Volume 5, Series of meteorology / Volume 5 /

Contributions of the Geophysical Institute of the Slovak Academy of Sciences Vol. 16

Contributions of the Geophysical Institute of the Slovak Academy of Sciences. Volume 4/1973 /

Contributions of the Geophysical institute of the Slovak academy of sciences. Volume 6 /

Contributions of the Geophysical institute of the Slovak academy of sciences. Volume 13 /