Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 23, No 1 and No 2, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 12, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 15, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 10/11, 1971)
Author; South African Journal of Antarctic Research(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 13, 1971)