0 Creative Commons Attribution 4.0 truetrue English Research at Tikkurila test plant of agricultural economy in October 1956. Finnish Tutkimusta...
org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Tikkurila test plant Finnish Tikkurilan koelaitos object of statement has role: photographer...
org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Tikkurila test plant Finnish Tikkurilan koelaitos object of statement has role: photographer...