Hakala, K., T. Mela, H. Laurila, and T. Kaukoranta. “Arrangement of Experiments for Simulating the Effects of Elevated Temperatures and Elevated CO2 Levels on Field-Sown Crops in Finland”. Agricultural and Food Science, vol. 5, no. 1, Jan. 1996, pp. 25-47, doi:10.23986/afsci.72728.