SULAS, L., G. A. RE, M. SALIS, G. GARAU, M. SITZIA, and L. SALIS. “The Effect of Inoculation on Growth, Nodulation and Nitrogen in Annual Clover Cultivars Grown at Two Mediterranean Locations of Sardinia, Italy”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, vol. 43, no. 1, May 2015, pp. 165-72, doi:10.15835/nbha4319812.