Kharakteristika razvitija i signalizacii najjbolee vazhnykh boleznejj i vreditelejj sel'skokhozjajjstvennykh rastenijj v Pol'she v 1960 godu i prognozy ikh pojavlenija v 1961 godu
EN
Characteristic of the development and signalization of the most important diseases and insect pests of cultivated plants in Poland in 1960 and forecasting of their appearance in 1961