@misc{indiciae2dfad7e53237, title = {Estimating background and threshold nitrate concentrations using probability graphs.}, author = {S V Panno and W R Kelly and A T Martinsek and K C Hackley}, doi = {10.1111/j.1745-6584.2006.00240.x}, url = {https://pubmed.ncbi.nlm.nih.gov/16961492/}, note = {Source identifier: 16961492} }