Group Quality Survey, Shell Refining (Aust.) Pty Ltd, 1969

Shell Australia Limited, Group Quality Survey, Shell Refining (Aust.) Pty Ltd, 1969 (1969), [UMA-ITE-2008004501976]. University of Melbourne Archives, accessed 13/12/2025, https://archives.library.unimelb.edu.au/nodes/view/310364