Verwysings
- Acocks , J.P.H. 1953 . Veld types of South Africa , Mem. Bot. Surv. S. Afr. No. 28
- Tidmarsh , C.E.M. 1948 . Bewaringsvraagstukke van die Karoo . Boerd. S. Afr. , 23 : 519 – 530 .
- Tidmarsh , C.E.M. 1957 . Weiveldbeheer in die Karoo en aangrensende soetgrasveldstreek . Hulpboek vir boere in Suid‐Afrika , III : 633 – 644 .
- Tidmarsh , C.E.M. and Havenga , C.M. 1955 . The wheel‐point method of survey and measurement of Semi‐open Grasslands and Karoo vegetation in South Africa , Mem. Bot. Surv. S. Afr. No. 29
- Landbounavorsingsinstituut, Döhne. K.P.