@Article{bg-6-25-2009,
AUTHOR = {Sharma, S. and Williams, D. G.},
TITLE = {Carbon and oxygen isotope analysis of leaf biomass reveals contrasting photosynthetic responses to elevated CO$_{2}$ near geologic vents in Yellowstone National Park},
JOURNAL = {Biogeosciences},
VOLUME = {6},
YEAR = {2009},
NUMBER = {1},
PAGES = {25--31},
URL = {http://www.biogeosciences.net/6/25/2009/},
DOI = {10.5194/bg-6-25-2009}
}