Catalogue of data in World Data Center A : airglow, ionosphere, a urora, (instrumental), aurora, (visual), cosmic rays, geomagnetism, sol ar activity. - World Data Center A. (Washington,D.C. : World Data Center A, Coordination Office)
"Data received by WDC-A."
Each catalogue is cumulative from 1 January 1960-30 June 1964.
Keywords: Geophysics -- Observations -- Catalogs