Peat & plant news /
Kivi, E. I.
Peat Research Institute of Satoturve Oy.
Plant Breeding Institute of Hankkija.
[Helsingen pit, Finland] : [Peat Research Institute of Satoturve Oy] : [Plant Breeding Institute of Hankkija],
1968-1970.
1968-1970: E.I. Kivi.
Peat
Peat & plant yearbook.