TY - CONF T1 - An investigation of accurate gas exchange measurements for determing a large river carbon isotope mass balance T2 - 37th Liege International Colloquium on Gas Transfer at Water Survaces Y1 - 2005 A1 - Raymond, P. A. A1 - McGillis, W. R. A1 - Bauer, J. E. A1 - Caraco, N. F. A1 - Cole, J. J. JF - 37th Liege International Colloquium on Gas Transfer at Water Survaces CY - Liege, Belgium N1 - id: 490 ER -