He whakaaturanga anō
Rārangi pukapuka
Clarkson, T. R. ‘The discovery of the ionosphere’. Break-In 53, No 1 (Jan.–Feb. 1980): 39–41
Gabites, J. F. ‘Beyond the curve of the earth’. Break-In 56, No 10 (Nov. 1983): 11–13
Obit. Proceedings of the Royal Society of New Zealand 110 (1981–82): 18–22
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Tāngia te kōrero katoa