@article{jue:12g,
author = {S.K. Kleiss and B. J\"uttler and W. Zulehner},
title = {Enhancing isogeometric analysis by a finite element-based local refinement strategy},
journal = {Computer Methods in Applied Mechanics and Engineering},
volume = {213-216},
pages = {168-182}
year = {2012},
doi = {10.1016/j.cma.2011.11.013},
}