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OCR-text (abbyy)
Heilborn^ Otto
Reduction division, pollen lethality and
polyploidy in apples.
4:o Uppsala 1935
=Acta horti Bergiani. Bd ll:N:o 7*
OCR-text (abbyy-crop)
Heilborn, Otto_____
Reduction division, pollen lethality and
polyploidy in apples.
4:0 Uppsala 1935.
=Acta horti Bergiani. Bd 11:N:o 7.
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