SERENIUS, M., E. HUUSELA-VEISTOLA, and H. AVIKAINEN. “Effects of Sowing Time on Pink Snow Mould, Leaf Rust and Winter Damage in Winter Rye Varieties in Finland”. Agricultural and Food Science, Vol. 14, no. 4, Jan. 2005, pp. 362-76, doi:10.2137/145960605775897696.