TY - JOUR T1 - Modeling Nitrogen Transformations in Dry Valley Streams, Antarctica, in Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica JF - Antarctic Research Series Y1 - 1998 A1 - Daryl L. Moorhead A1 - Diane M. McKnight A1 - Cathy M. Tate VL - 72 ER -