TURK, MUNIR A. “Effect of Sowing Rate and Irrigation on Dry Biomass and Grain Yield of Bitter Vetch (Vicia Ervilia) and Narbon Vetch (Vicia Narbonensis)”. The Indian Journal of Agricultural Sciences, vol. 69, no. 6, Jan. 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/26807.