Zhao, Xiaoshun, et al. “Design and Test of a Positive-Negative Pressure Quinoaprecision Seed-Metering Device With a Disturbed Seed-Filling Mechanism”. International Journal of Agricultural and Biological Engineering, vol. 17, no. 6, Dec. 2024, pp. 131-44, doi:10.25165/ijabe.v%vi%i.9211.