@Article{acp-7-629-2007,
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},
VOLUME = {7},
YEAR = {2007},
NUMBER = {3},
PAGES = {629--634},
URL = {http://www.atmos-chem-phys.net/7/629/2007/},
DOI = {10.5194/acp-7-629-2007}
}