Robust statistics theory and methods (with R) by Maronna, Ricardo A., Martin, R. Douglas, Yohai, Victor J., Salibian-Barrera, Matias

Available for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access thru EZproxy

Introduction to modern portfolio optimization with NuOPT and S-PLUS by Scherer, Bernd Michael