Разширено търсене
Автор да съдържа Petko Konishev
20
Каталог "Книги" | Книги
The advance of agriculture, forest economy and agriculture, sciences in Bulgaria during the years of the people's power 1944-1969
[Сборник статии]
(1969)
-in Konishev
27401
Каталог "Книги" | Книги
The advance of agriculture and agricultural sciences in Bulgaria during the yeras of the people's power
[Сб. статии]
(1969)
Hermann