共 15 条
- [1] BRUNNER W, 1945, ASTRON MITT ZURICH, V142, P15
- [2] BRUNNER W, 1939, TERR MAGN ATM ELECT, V44, P247
- [4] GLEISSBERG W, 1952, HAUFIGKEIT SONNENFLE, P15
- [5] KIEPENHEUER KO, 1953, SUN, P333
- [6] MUNRO EH, 1948, TERRESTRIAL MAGNETIS, V53, P241
- [7] THE SUNSPOT CYCLE, 649-BC TO AD-2000 [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1955, 60 (02): : 127 - 146
- [8] FINAL RELATIVE SUNSPOT-NUMBERS FOR 1957 [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1958, 63 (02): : 409 - 422
- [9] WALDMEIER M, 1955, ERGEBNISSE PROBLEME, P144
- [10] Wolf R., 1868, ASTRON MITT ZURICH, V24, P111