Report on visit to Canada and USA in 1957

Legacy product - no abstract available

澳大利亚2026-05-06 更新00

Report on visits to USA and Canada, 1961 (with particular reference to...

Between January and March 1961 an official visit was made by the author to certain government organisations, oil companies, and airborne survey contracting companies in U.S.A....

澳大利亚2026-05-11 更新00

Notes on visit to Canada and USA, 1969

Legacy product - no abstract available

澳大利亚2025-10-17 更新00