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2. Veld types of South Africa;Acocks;Memoirs of the Botanical Survey of South Africa,1975
3. Micromammals as palaeoenvironmental indicators and an interpretation of the Late Quaternary in the southern Cape Province, South Africa;Avery;Annals of the South African Museum,1982
4. The Holocene environment of central South Africa: micromammalian evidence;Avery;Palaeoecology of Africa,1988
5. Is South Africa drying up?;Barber;Agricultural Journal of the Cape of Good Hope,1910