Haku
Viitteet 1-2 / 2
Virus diseases of legumes in Finland and in the Scandinavian countries
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Influence of weather conditions and late bligth on the yields of potatoes in Finland, 1931-62
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)