TransliterationFrolov-Bagreev A.M., Kartavchenko P.K., Negrul' A.M Ampelografiya SSSR. V 6-tomakh. Tom 1-6 (komplekt).
In EnglishFrolov-Bagreev A.M., Kartavchenko P.K., Negrul A.M. USSR ampelography. In 6 volumes. Volumes 1-6 (set). In Russian (ask us if in doubt)
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