Search for: [Subject and Keywords = biotechnology] OR [Subject and Keywords = biotechnologia] OR [Title = Microbiological method sof air purification] OR [Title = Mikrobiologiczne metody oczyszczania powietrza] OR [Creator = Bezborodov, A. M.] OR [Creator = Kozlyak, E. I.] OR [Creator = Yakimov, M. M.] OR [Creator = Utkin, I. B.] OR [Creator = Rogozhin, I. S.]