%0 Journal Article %J Aquatic Geochemistry %D 2004 %T Stable carbon and nitrogen isotopic compositions of benthic and pelagic organic matter in four polar lakes of the McMurdo Dry Valleys, Antarctica %A Lawson, J %A Peter T. Doran %A Kenig, Fabien %A David J. DesMarais %A John C. Priscu %B Aquatic Geochemistry %V 10 %P 269-301 %G eng %M LTER63371