@inbook{57,
  author = {S Westerman and C.R Duguay and G Grosse and A Kaab},
  editor = {M Tedesco},
  title = {Remote sensing of permafrost and frozen ground},
  year = {2015},
  pages = {307-344},
  publisher = {Wiley-Blackwell},
  address = {Oxford},
  url = {http://onlinelibrary.wiley.com/doi/10.1002/9781118368909.ch13/summary},
}