@article{Sanchez2008,
author = "Egar Sanchez and Salvador Pintos and Nestor V. Queipo",
title = "Toward an optimal ensemble of kernel-based approximations with engineering applications",
year = "2008",
journal = "Structural and Multidisciplinary Optimization",
volume = "36",
number = "3",
pages = "247 - 261",
isnn = "1615-147X"
keywords = "Kernel-based approximation",
keywords = "Surrogate-based modeling", 
keywords = "Optimal ensemble",
url = "http://www.springerlink.com/content/T3745T74155T0457",
doi = "10.1007/s00158-007-0159-6"
}