Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 2, 1971)
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 14, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 5, 1971)