Author; Newton, I.P.; Cooper, J.; Mehlum, F.; Thor, G.(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 24, No 1 and No 2, 1971)
Author; Van Der Walt, A.J.; Stoker, P.H.; Alberts, H.W.(South African Journal of Antarctic ResearchSouth African Journal of Antarctic Research Vol 2, 1971)