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Varroa treatment with KombiAM, a combination of formic acid at low concentration and oil of marjoram, results from a field trial

TytułVarroa treatment with KombiAM, a combination of formic acid at low concentration and oil of marjoram, results from a field trial
Rodzaj publikacjiJournal Article
Rok1998
CzasopismoPszczelnicze Zeszyty Naukowe
Tom42
AutorzyBerg S, Ullmann M