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3. Australian Bureau of Statistics (ABS). 2007. “2006 Census Community Profile series Ku-ring-gai (A) LGA 14500”. Basic Community data, data cube: Excel spreadsheet Catalogue No. 2001.0 Table B01,http://www.censusdata.abs.gov.au, viewed 23 July 2009
4. Austroads. 2003. “Guidelines for treatment of stormwater runoff from the road infrastructure”. Publication number AP-R232.03, Prepared by Parsons Brinckerhoff & Ecological Engineering Pty Ltd. Sydney