Karimi, Hadi, Hossein Navid, and Asghar Mahmoudi. “Online Laboratory Evaluation of Seeding-Machine Application by an Acoustic Technique”. Spanish Journal of Agricultural Research 13, no. 1 (January 22, 2015): e0202. Accessed August 1, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/6050.