1. Day, D.: Biometric applications, overview. In: Li, S.Z., Jain, A.K. (eds.) Encyclopedia of Biometrics, pp. 169–174. Springer, Heidelberg (2015)
2. Hurley, D., Nixon, M., Carter, J.: Ear biometrics by force field convergence. In: Proceedings of the 5th International Conference on Audio- Video- Biometric Person Authentication, pp. 386–394 (2005)
3. Wang, Y., Mu, Z., Zeng, H.: Block-based and multi-resolution methods for ear recognition using wavelet transform and uniform local binary patterns. In: Proceedings of the 19th IEEE International Conference on Pattern Recognition (ICPR), pp. 1–4 (2008)
4. Yan, P., Bowyer, K.: Empirical evaluation of advanced ear biometrics. In: Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops, pp. 41–42. San Diego, CA, USA, ISBN 0-7695-2372-2 (2005)
5. Bertillon, A.: Signaletic Instructions Including: The Theory and Practice of Anthropometrical Identification (1896)