Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 14, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 14, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 22, No 1 and 2, 1971)