TY - RPRT TI - Evaluation and use of a diffusion-controlled sampler for determining chemical and dissolved oxygen gradients at the sediment-water interface AU - N.S. Simon AU - M.M. Kennedy AU - C.S. Massoni PY - 1985 DO - 10.1007/bf00008680 UR - https://pubs.usgs.gov/publication/70012674 ID - 70012674 ER -