@book{280895, author = {Davies-Colley, Rob, and McBride, Graham, and New Zealand.}, title = {Accounting for changes in method in long-term nutrient data : }, publisher = {Ministry for the Environment, }, year = {2017]}, address = {[Wellington, N.Z. : }, note = {"June 2016"}, url = {http://www.mfe.govt.nz/publications/fresh-water/accounting-changes-method-long-term-nutrient-data} }