@article{gao_jia_ye_ma_2013, 
  title={A survey on the use of graphical passwords in security}, 
  DOI={10.4304/jsw.8.7.1678-1698}, 
  publisher={International Academy Publishing (IAP)}, 
  author={Gao and Jia and Ye and Ma}, 
  year={2013}, 
  month={Jul}
  }