ALBAYRAK, S., M. TÜRK, O. YÜKSEL, and M. YILMAZ. “Forage Yield and the Quality of Perennial Legume-Grass Mixtures under Rainfed Conditions”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 39, no. 1, May 2011, pp. 114-8, doi:10.15835/nbha3915853.