Distribution of radiation flux across a sunspot /

Autor Dās, Anil Kumār, 1902-1961, Ramanathan, A. S.
Vydáno 1953

Radiation flux in sunspot Umbrae. Paper <<II.=2.>> /

Autor Ramanathan, A. S.
Vydáno 1954

Study of the continuous solar spectrum in the visible range /

Autor Ramanathan, A. S.
Vydáno 1954