Code of Practice : excavation : 2005. - Western Australia. Department of Consumer and Employment Protection; Western Australia. Commission for Occupational Safety and Health (West Perth, W.A. : [Dept. of Consumer and Employment Protection], 2005)
"Commission for Occupational Safety and Health"--Front cover.
"November 2005"--Back cover.
Bibliography: p. 106.
Keywords: Excavation -- Western Australia -- Safety measures