ADIGMA - A european initiative on the development of adaptive higher-order variational methods for aerospace applications : results of a collaborative research project funded by the European Union, 2006-2009 - Kroll, Norbert,; Bieler, Heribert,; Deconink, Herman,; Couaillier, Vincent,; Ven, Harmen,; Sorensen, Kaare, (Springer, 2010)