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, In: Hansa

Schafstall, H.G. ; Donker, B. ; Luther, G.. (1980) 6 - p. 413-415

evaluating its quality by performance of dairy animals and ... Technical bulletin / University of Minnesota, Agricultural Experiment Station ; 287

Donker, J. D. , 1972

Exemplar: Zentrale:Magazin bc 0447-287

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