Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 7, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 9, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 8, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 6, 1971)