@article{williams_2007, 
  title={A. Kääb, 2005. Remote sensing of mountain glaciers and permafrost creep. Zürich, University of Zürich. Department of Geography. (Physical Geography Series 48.) 266pp. ISBN 3 85543 244 9, paperback US$30, €25.}, 
  volume={53}, 
  DOI={10.3189/172756507781833857}, 
  number={180}, 
  publisher={Cambridge University Press (CUP)}, 
  author={Williams}, 
  year={2007}
  }