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- catalog contributor b5850774.
- catalog created "[1990]".
- catalog date "1990".
- catalog date "[1990]".
- catalog dateCopyrighted "[1990]".
- catalog description "Includes bibliographical references (p. 27-28).".
- catalog extent "28 p. ;".
- catalog isPartOf "Working paper (University of Zimbabwe. Department of Agricultural Economics & Extension) ; AEE 90/5.".
- catalog isPartOf "Working paper ; AEE 5/90".
- catalog issued "1990".
- catalog issued "[1990]".
- catalog language "eng".
- catalog publisher "Mount Pleasant, Harare, Zimbabwe : Dept. of Agricultural Economics & Extension, Faculty of Agriculture, University of Zimbabwe,".
- catalog subject "Control theory.".
- catalog subject "Food supply Seasonal variations Mathematical models.".
- catalog subject "HD2131 .A46 no. 90/5".
- catalog title "An application of control theory to seasonal food security / by Ernst August Nuppenau.".
- catalog type "text".