Kristina Scherbaum Martin Sunkel Hans-Peter Seidel Volker Blanz Prediction of Individual Non-Linear Aging Trajectories of Faces. 285-294 2007 26 Comput. Graph. Forum 3 http://dx.doi.org/10.1111/j.1467-8659.2007.01050.x db/journals/cgf/cgf26.html#ScherbaumSSB07