TY - RPRT TI - Comparison of denitrification activity measurements in groundwater using cores and natural-gradient tracer tests AU - R. L. Smith AU - S. P. Garabedian AU - M. H. Brooks PY - 1996 DO - 10.1021/es960042g UR - https://pubs.usgs.gov/publication/70019378 ID - 70019378 ER -