Rennie et al. (2014)
Also: Rennie 2014
The international surface temperature initiative global land surface databank: monthly temperature data release description and methods
Rennie, J.J., J. H. Lawrimore, B. E. Gleason, P. W. Thorne, C. P. Morice, M. J. Menne, C. N. Williams, W. G. de Almeida, J. R. Christy, M. Flannery, M. Ishihara, K. Kamiguchi, A. M. G. Klein-Tank, A. Mhanda, D. H. Lister, V. Razuvaev, M. Renom, M. Rusticucci, J. Tandy, S. J. Worley, V. Venema, W. Angel, M. Brunet, B. Dattore, H. Diamond, M. A. Lazzara, F. Le Blancq, J. Luterbacher, H. Mächel, J. Revadekar, R. S. Vose, and X. Yin, (2014). International Surface Temperature Initiative global land surface databank: monthly temperature data release description and methods. Geoscience Data Journal, 2014, 1-28. http://doi.wiley.com/10.1002/gdj3.8
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.