Ciesiolka, D., M. Muzquiz, C. Burbano, M.M. Pedrosa, W. Wysocki, and K. Gulewicz. “Relationship Between Nitrogen Form and the Development and Yield of Lupinus Albus L. From Different Countries”. Spanish Journal of Agricultural Research 5, no. 2 (June 1, 2007): 226-231. Accessed May 10, 2024. https://sjar.revistas.csic.es/index.php/sjar/article/view/242.