@book{132, author = {Ross,H.S & Williamson, A.J.P. and Ross, H. S. and Irrigation Association of Australia.}, title = {Irrigation for profit :}, publisher = {Irrigation Association of Australia,}, year = {1990.}, address = {[Brisbane] :}, note = {Available from Irrigation Association of Australia, P.O. Box 2454, Brisbane, Qld. 4001} }