TY - RPRT TI - Isotopic composition of Antarctic Dry Valley nitrate: Implications for NOy sources and cycling in Antarctica AU - G. Michalski AU - James G. Bockheim AU - C. Kendall AU - M. Thiemens PY - 2005 DO - 10.1029/2004gl022121 UR - https://pubs.usgs.gov/publication/70029691 ID - 70029691 ER -