1. Forstliches Saat-und Pflanzgut;Anonymous,1985
2. Smernice MLVH SSR na uznávanie lesných porastov na zber a prenos semena a sadeníc. Spravodajca MLVH;Anonymous,1985
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4. The importance of genetic multiplicity for tolerance of atmospheric pollution;Gregorius,1989
5. Genetische Implikationen waldbaulicher und züchterischer Massnahmen;Gregorius;Allg. Forst Jagdztg.,1979