@Article{hess-8-823-2004,
AUTHOR = {Davies, H. and Neal, C.},
TITLE = {GIS-based methodologies for assessing nitrate, nitrite and ammonium distributions across a major UK basin, the Humber},
JOURNAL = {Hydrology and Earth System Sciences},
VOLUME = {8},
YEAR = {2004},
NUMBER = {4},
PAGES = {823--833},
URL = {http://www.hydrol-earth-syst-sci.net/8/823/2004/},
DOI = {10.5194/hess-8-823-2004}
}