Stagg, J. (1927). On Magnetic Fluctuations and Sunspot Frequency: A Discussion based primarily on the daily ranges of Declination as recorded at Kew Observatory. Richmond, during the 67 years 1858 - 1924. By J. M. Stagg. His Majesty's Stationery Office.
Chicago-Zitierstil (17. Ausg.)Stagg, James. On Magnetic Fluctuations and Sunspot Frequency: A Discussion Based Primarily on the Daily Ranges of Declination as Recorded at Kew Observatory. Richmond, During the 67 Years 1858 - 1924. By J. M. Stagg. London: His Majesty's Stationery Office, 1927.
MLA-Zitierstil (9. Ausg.)Stagg, James. On Magnetic Fluctuations and Sunspot Frequency: A Discussion Based Primarily on the Daily Ranges of Declination as Recorded at Kew Observatory. Richmond, During the 67 Years 1858 - 1924. By J. M. Stagg. His Majesty's Stationery Office, 1927.