@article{liu_millar_westfall_zebker_2013, 
  title={Surface motion of active rock glaciers in the Sierra Nevada, California, USA: inventory and a case study using InSAR}, 
  DOI={10.5194/tcd-7-343-2013}, 
  publisher={Copernicus GmbH}, 
  author={Liu and Millar and Westfall and Zebker}, 
  year={2013}, 
  month={Jan}
  }