TY - RPRT TI - Characterizing the oxygen isotopic composition of phosphate sources to aquatic ecosystems AU - M.B. Young AU - K. McLaughlin AU - C. Kendall AU - W. Stringfellow AU - M. Rollog AU - K. Elsbury AU - E. Donald AU - A. Paytan PY - 2009 DO - 10.1021/es900337q UR - https://pubs.usgs.gov/publication/70036545 ID - 70036545 ER -