PublisherAustralian Institute of Physics.
Rights StatementOpen Access. The published version of this work has been reproduced here with permission of the President, Australian Institute of Phyics. This article may be downloaded for personal use only. Permission to reproduce this article must be sought from the Australian Institute of Physics. This article was first published in Australian physicist, 17(5): 75-80, 1980. More information about this publisher may be found at http://www.aip.org.au/. Copyright (1980) Australian Institute of Physics.
Data sourcearrow migration 2023-03-02 18:17. Ref: 25aacc. IDs:['http://hdl.handle.net/1959.9/493074', 'latrobe:34204']