TY - RPRT TI - Nitrogen cycling between sediment and the shallow-water column in the transition zone of the Potomac River and estuary. I. Nitrate and ammonium fluxes AU - N.S. Simon PY - 1988 DO - 10.1016/0272-7714(88)90002-9 UR - https://pubs.usgs.gov/publication/70013827 ID - 70013827 ER -