@Article{acp-10-10691-2010,
AUTHOR = {van der Laan-Luijkx, I. T. and Karstens, U. and Steinbach, J. and Gerbig, C. and Sirignano, C. and Neubert, R. E. M. and van der Laan, S. and Meijer, H. A. J.},
TITLE = {CO$_{2}$, δO$_{2}$/N$_{2}$ and APO: observations from the Lutjewad, Mace Head and F3 platform flask sampling network},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {10},
YEAR = {2010},
NUMBER = {21},
PAGES = {10691--10704},
URL = {http://www.atmos-chem-phys.net/10/10691/2010/},
DOI = {10.5194/acp-10-10691-2010}
}