TY - RPRT TI - Denitrification measurements in aquatic sediments: A comparison of three methods AU - Sybil P. Seitzinger AU - Lars Peter Nielsen AU - Jane Caffrey AU - Peter Bondo Christensen PY - 1993 DO - 10.1007/bf00023750 UR - https://pubs.usgs.gov/publication/70243610 ID - 70243610 ER -