@Article{bg-6-251-2009,
AUTHOR = {Archibald, S. A. and Kirton, A. and van der Merwe, M. R. and Scholes, R. J. and Williams, C. A. and Hanan, N.},
TITLE = {Drivers of inter-annual variability in Net Ecosystem Exchange in a semi-arid savanna ecosystem, South Africa},
JOURNAL = {Biogeosciences},
VOLUME = {6},
YEAR = {2009},
NUMBER = {2},
PAGES = {251--266},
URL = {http://www.biogeosciences.net/6/251/2009/},
DOI = {10.5194/bg-6-251-2009}
}