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\bibitem{3013} Eirikur Agustsson, Radu Timofte, Sergio Escalera, Xavier Baro, Isabelle Guyon, \& Rasmus Rothe. (2017). Apparent and real age estimation in still images with deep residual regressors on APPA-REAL database. In \textit{12th IEEE International Conference on Automatic Face and Gesture Recognition}.

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