PELTONEN-SAINIO, P., L. JAUHIAINEN, and K. HAKALA. “Are There Indications of Climate Change Induced Increases in Variability of Major Field Crops in the Northernmost European Conditions?”. Agricultural and Food Science, vol. 18, no. 3-4, Jan. 2009, pp. 206-22, doi:10.2137/145960609790059424.