Haku
Viitteet 1-2 / 2
Wintering of field crops in Finland, 1968-1969
(Agricultural Research CentreMaaseudun TulevaisuusMaatalouden tutkimuskeskus, 1970)
Control of low-temperature parasitic fungi in winter cereals by fungicidal treatment of stands
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)