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Variation of spread-F index with frequency in pre- and post-midnight periods at Waltair
B.V. Krishna Murthy, B.Ramachandra RaoVolume:
26
Year:
1964
Language:
english
Pages:
785
DOI:
10.1016/0021-9169(64)90166-7
File:
PDF, 139 KB
english, 1964