@Article{acpd-6-11957-2006, AUTHOR = {Varotsos, C. and Assimakopoulos, M.-N. and Efstathiou, M.}, TITLE = {Technical Note: Long-term memory effect in the atmospheric CO$_{2}$ concentration at Mauna Loa}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {6}, YEAR = {2006}, NUMBER = {6}, PAGES = {11957--11970}, URL = {http://www.atmos-chem-phys-discuss.net/6/11957/2006/}, ISSN = {1680-7367} }