@Article{adgeo-6-87-2006,
AUTHOR = {Khachikjan, G. Ja. and Sofko, G. J.},
TITLE = {On 3 to 6 year cycles in the time of geomagnetic storm sudden commencement occurrence and ENSO climate cycles},
JOURNAL = {Advances in Geosciences},
VOLUME = {6},
YEAR = {2006},
PAGES = {87--93},
URL = {http://www.adv-geosci.net/6/87/2006/},
ISSN = {1680-7340}
}