@Article{angeo-29-1331-2011,
AUTHOR = {Du, Z. L.},
TITLE = {The correlation between solar and geomagnetic activity – Part 1: Two-term decomposition of geomagnetic activity},
JOURNAL = {Annales Geophysicae},
VOLUME = {29},
YEAR = {2011},
NUMBER = {8},
PAGES = {1331--1340},
URL = {http://www.ann-geophys.net/29/1331/2011/},
DOI = {10.5194/angeo-29-1331-2011}
}