Chree, C. (1928). The regular diurnal variation of magnetic declination at Kew Observatory from selected years of many and few sunspots 1859-1894. His Majesty's Stationary Office.
Chicago-Zitierstil (17. Ausg.)Chree, Charles. The Regular Diurnal Variation of Magnetic Declination at Kew Observatory from Selected Years of Many and Few Sunspots 1859-1894. London: His Majesty's Stationary Office, 1928.
MLA-Zitierstil (9. Ausg.)Chree, Charles. The Regular Diurnal Variation of Magnetic Declination at Kew Observatory from Selected Years of Many and Few Sunspots 1859-1894. His Majesty's Stationary Office, 1928.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.