Tapan Kumar Khura, Indra Mani, and A.P. Srivastava. “Some Engineering Properties of Onion Crop Relevant To Design of Onion Digger”. Journal of Agricultural Engineering (India) 47, no. 1 (March 31, 2010): 1–8. Accessed June 15, 2026. https://pub.isae.in/index.php/jae/article/view/428.