3 treff

Geomagnetic indices C and K, 1940-1946
H.F. Johnston, W.E. Scott, Ella Balsam
Bok Engelsk 1948
Geomagnetic indices C and K, 1947
H.F. Johnston, W.E. Scott, Ella Balsam. G...
Bok Engelsk 1948
Magnetic results from Watheroo observatory, Western Australia, 1919-1947
J.A. Fleming, H.F. Johnston, W.C. Pa...
Bok Engelsk 1947