Haeberli et al. (2008)
Also: Haeberli et al. 2008
Fluctuations of glaciers 2000-2005
Haeberli, W., Zemp, M., Kääb, A., Paul, F., & Hoelzle, M. (2008). Fluctuations of glaciers 2000-2005. Vol. IX. Link to paper
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.