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Consuntivo statistico delle ispezioni ufficiali in campo delle colture da seme sottoposte a controllo nel 1977 [in Italia, cereali, foraggere leguminose, foraggere graminacee, piante oleaginose e da fibra, foraggere brassicacee, patate, barbabietole da foraggio, barbabietole da zucchero, mais].
1978
Wolters Kluwer - United States of America
[Statistical final report on official inspections in the field of the seed cultures checked in 1977 [in Italy, cereals, leguminous forage crops, graminaceous forage crops, oil and fibre crops, forage of brassicaceae family, potatoes, fodder beets, sugar-beets, maize]]
1978
Anon.
European Union - Belgium
