Acoustic Sounding System and a Novel Recorder - Patent Application (78.2)

Central Records (The University of Melbourne), Acoustic Sounding System and a Novel Recorder - Patent Application (78.2) (1972-1974), [UMA-IT-000060963]. University of Melbourne Archives, accessed 19/03/2026, https://archives.library.unimelb.edu.au/nodes/view/535715