@book { author = {J Pratley and A Robertson}, title = {Agriculture and the Environmental Imperative}, pages = {276}, year = {1998}, doi = {10.1071/9780643104877}, publisher = {CSIRO Publishing}, isbn = {978-0-643-10557-7}, URL = {https://ebooks.publish.csiro.au/content/9780643104877/9780643104877} }