TY - RPRT TI - Nitrogen sources and cycling in the San Francisco Bay estuary: A nitrate dual isotopic composition approach AU - Scott D. Wankel AU - C. Kendall AU - C.A. Francis AU - A. Paytan PY - 2006 DO - 10.4319/lo.2006.51.4.1654 UR - https://pubs.usgs.gov/publication/70028326 ID - 70028326 ER -