Group Quality Survey, Shell Refining (Aust.) Pty Ltd, 1968

Shell Australia Limited, Group Quality Survey, Shell Refining (Aust.) Pty Ltd, 1968 (1968), [UMA-ITE-2008004501975]. University of Melbourne Archives, accessed 14/12/2025, https://archives.library.unimelb.edu.au/nodes/view/310363