Pandey, Pankaj Kumar, and Vanita Pandey. “Lysimeter Based Crop Coefficients for Estimation of Crop Evapotranspiration of Black Gram (Vigna Mungo L.) in Sub-Humid Region”. International Journal of Agricultural and Biological Engineering, vol. 4, no. 4, Jan. 2012, pp. 50-58, https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/545.