@article{lou_zhao_guo_chen_2015, 
  title={Graph Regularized Within-Class Sparsity Preserving Projection for Face Recognition}, 
  DOI={10.3390/info6020152}, 
  publisher={MDPI AG}, 
  author={Lou and Zhao and Guo and Chen}, 
  year={2015}, 
  month={Apr}
  }