@techreport{discovery10133174, title = {UK Acid Waters Monitoring Network Report to DEFRA under Contract Variation Request AQ0820}, year = {2013}, month = {April}, booktitle = {ECRC}, series = {ECRC}, publisher = {ECRC (Environmental Change Research Centre, University College London)}, url = {https://www.geog.ucl.ac.uk/research/research-centres/environmental-change-research-centre}, author = {Shilland, E} }