333 resultados para Gröhn, Yrjö
em Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland
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Summary: Epidemiology of production diseases in Finnish Ayrshire cows : [part] 3 : effects of disease, milk yield and pregnancy status on culling
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Summary: Epidemiology of production diseases in Finnish Ayrshire cows : [part 2] : effect of disease on milk yield
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Summary: Epidemiology of production diseases in Finnish Ayrshire cows : [part] 1 : disease occurrence and risk factors
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Kirje 12.2.1969
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Kirje
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Kirje 12.4.1966
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Kirje
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Kirje 27.1.1969
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Kirje
