'n SUID-AFRIKAANSE HULPBRONKWALITEIT INDEKS

Verwysings

• BARLOWE , R. 1978 . Land Resource Economics The Economics of Real Estates. Prentice-Hall, Inc., Englewood Cliffs, New Jersey
   Google Scholar
• DIREKTORAAT LANDBOU-EKONOMIESE TENDENSE . 1990 . Kort-begrip van Landboustatistieke. Departement van Landbou, Pretoria
   Google Scholar
• DYER , T GJ and TYSON , PD. 1977 . Estimating above and below normal rainfall periods over South Africa. Journal Applied Methodology, Vol 16
   Google Scholar
• FABRICUIS , A F . 1964 . Drought investigation: Northwestern Transvaal. . South African Journal of Science , 60 No 9:267-275
   Google Scholar
• GROENEWALD , J A . 1980 . Ligging as bepalende factor in die produksiepatroon van die landbou. Ongepubliseerde lesings, Universiteit van Pretoria
   Google Scholar
• KIRSTEN , J F and VAN ZYL , J. 1990 . Metodologiese alternatiewe vir die bepaling van die ekonomiese impak van besproeiingslandbou. . Agrekon , 29 No 2:93-101
   Google Scholar
• LOUW , W J . 1982 . Oscillations in Rainfall. Technical paper no. II, Weather Bureau, Pretoria
   Google Scholar
• NERLOVE , M. 1958 . Distributed lags and estimation of long run supply and elasticities: Theoretical conclusions. . Journal of Farm Economics , 40 No 2:301-310
   Google Scholar
• PETERSON , W. 1986 . Land Quality and Prices. . American Journal of Agricultural Economics , 68 No 4:812-819
   Google Scholar
• PETERSON , W. 1987 . International Land Quality Indexes. Staff Paper, University of Minnesota
   Google Scholar
• RICARDO , D. 1817 . The Principles of Political Economy and Taxation. London
   Google Scholar
• RUTTAN , V W . 1961 . The Impact of Local Population Pressure on Farm Real Estate Values in California. . Land Economics , 37 : 125 – 310 .
   Web of Science ®Google Scholar
• SENTRALE STATISTIEK DIENS . 1976 . Sensus van landbou- en veeteeltproduksie 1976. Departement van Statistiek, Pretoria
   Google Scholar
• SENTRALE STATISTIEKDIENS . 1981 . Sensus van landbou- en veeteeltproduksie 1981. Departement van Statistiek, Pretoria
   Google Scholar
• SENTRALE STATISTIEKDIENS . 1985 . Bevolkingsensus 1985. Departement van Statistiek, Pretoria
   Google Scholar
• SENTRALE STATISTIEKDIENS . 1988 . Landbou-opnarne 1988. Departement van Statistiek, Pretoria
   Google Scholar
• TYSON , P D . 1980 . Temporal and spatial variation of rainfall anomalies in South Africa. Climatic Change, Vol 2
   Google Scholar
• TYSON , P D , DYER , T GJ and MAMETSE , M. 1975 . Secular changes in South African rainfall: 1880–1972. Quarterly Journal Royal Meteorological Society, Vol 101
   Google Scholar
• VAN ROOY , MP. 1980 . Extreme rainfall anomalies over extensive parts of South Africa. Technical paper no. 8, Weather Bureau, Pretoria
   Google Scholar
• WEERBURO . 1960 . Districts Rainfall. WB23. Weerburo, Pretoria
   Google Scholar
• WEERBURO . 1972 . Districts rainfall for South Africa. WB35. Weerburo, Pretoria
   Google Scholar