@article{Fan2009Improved,
  title={Improved Differential Evolution Based on Stochastic Ranking for Robust Layout Synthesis of MEMS Components},
  author={Fan, Zhun and Liu, Jinchao and Sorensen, Torben and Wang, Pan},
  journal={IEEE Transactions on Industrial Electronics},
  volume={56},
  number={4},
  pages={937-948},
  year={2009},
}