Qin, W., Pei, S., Zhang, S., & Wu, B. (2009). A method of detecting bearing's quality based on image edge morphologic analysis. 2009 IEEE 10th International Conference on Computer-Aided Industrial Design & Conceptual Design, Computer-Aided Industrial Design & Conceptual Design, 2009. CAID & CD 2009. IEEE 10th International Conference on, 938. https://doi.org/10.1109/CAIDCD.2009.5374893

Qin, Wei, Song-wen Pei, Shi-le Zhang, and Bai-feng Wu. "A Method of Detecting Bearing's Quality Based on Image Edge Morphologic Analysis." 2009 IEEE 10th International Conference on Computer-Aided Industrial Design & Conceptual Design, Computer-Aided Industrial Design & Conceptual Design, 2009. CAID & CD 2009. IEEE 10th International Conference on 2009: 938. https://doi.org/10.1109/CAIDCD.2009.5374893.

Qin, Wei, et al. "A Method of Detecting Bearing's Quality Based on Image Edge Morphologic Analysis." 2009 IEEE 10th International Conference on Computer-Aided Industrial Design & Conceptual Design, Computer-Aided Industrial Design & Conceptual Design, 2009. CAID & CD 2009. IEEE 10th International Conference on, 2009, p. 938, https://doi.org/10.1109/CAIDCD.2009.5374893.