Разширено търсене
Автор да съдържа Petko Petkov
Каталог "Статии" | Списание
Antibacterial activity of Lactobacillus bulgaricus G-LB-44
(2015)
Andrew Onderdonk; Rositsa Tropcheva; Haralabia Boleti;
Petko Petkov
и др.
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