@article{James2012b,
author = {James, Kai A. and Lee, Edmund and Martins, Joaquim R. R. A.},
doi = {10.1016/j.finel.2012.03.012},
journal = {Finite Elements in Analysis and Design},
month = oct,
pages = {20--30},
title = {Stress-Based Topology Optimization Using an Isoparametric Level Set Method},
volume = {58},
year = {2012}
}