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  1. The reconstitution of vineyards in lime soils on suitable American stocks / by A.I. Perold.
    By: Perold, Abraham Izaak, - South Africa.
    Publication info: Pretoria :Govt. Print. and Stationery Office,1913.
    Contributed by: University of California Libraries (archive.org)
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  2. Some viticultural and oenological experiments conducted at the Paarl Viticultural Experiment Station during 1915-1916 / by A.I. Perold.
    By: Perold, Abraham Izaak, - South Africa.
    Publication info: Pretoria :Govt. Print. and Stationery Off.,1916.
    Contributed by: University of California Libraries (archive.org)
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