Refinery certificates and analysis details, 1909 - 1915. Conf. 148.

Shell Australia Limited, Refinery certificates and analysis details, 1909 - 1915. Conf. 148. (1909-1915), [UMA-ITE-2008004501660]. University of Melbourne Archives, accessed 09/06/2026, https://archives.library.unimelb.edu.au/nodes/view/310049