TY - RPRT TI - Upflow reactors for riparian zone denitrification. AU - Peter W van Driel AU - William D Robertson AU - L Craig Merkley PY - 2006 DO - 10.2134/jeq2005.0027 UR - https://pubmed.ncbi.nlm.nih.gov/16455841/ ID - 16455841 ER -