1. A rock glacier/debris‐covered glacier system at galena creek, absaroka mountains, wyoming
2. . 2004. An Introduction to Frozen Ground Engineering, 2nd edn. John Wiley & Sons, Inc.: Hoboken, New Jersey. 363pp.
3. 2002. Unstable alpine permafrost: a potentially important natural hazard. Ph.D. dissertation, Institute for Geotechnical Engineering, Swiss Federal Institute of Technology ETH Zurich. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=14801 [accessed 21 July 2006].
4. . 2005. Modelling the strength of composite materials using discrete elements. In 58th Canadian Geotechnical Conference, Saskatoon, SK, Canada, 18–21 September 2005. CD-Rom.