Haku
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The Causes of the black stem rust epidemic in Finland in summer
(Suomen maataloustieteellinen seura, 1953)
The Epidemic of wheat stem rust (Puccinia Graminis Tritici) on spring wheat in south-west Finland in 1951, primarily from the breederŽs point of view
(Suomen maataloustieteellinen seura, 1956)