Oyster culture in South Africa : hydrographical, biological and ostreological observations in the Knysna Lagoon, with notes on conditions in other South African waters

von Korringa, P.
Veröffentlicht in Commerce and industry (1956)

The Cape fur seal, Arctocephalus pusillus (Schreber) : its general characteristics and moult

von Rand, R. W.
Veröffentlicht in Commerce and industry (1955)

Annual report for the year ...

Veröffentlicht in Südafrika. Department of Commerce and Industries Official journal of the Department of Commerce and Industries (19)