Feng, Zhe, Chengqiao Ding, Weihao Li, and Di Cui. 2019. “Detection of Blood Spots in Eggs by Hyperspectral Transmittance Imaging”. International Journal of Agricultural and Biological Engineering 12 (6):209-14. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/5376.