Otto et al. (2012)
Also: Otto et al. 2012
Reconciling two approaches to attribution of the 2010 Russian heat wave
Otto, F. E. L., Massey, N., van Oldenborgh, G. J., Jones, R. G. & Allen, M. R. (2012). Reconciling two approaches to attribution of the 2010 Russian heat wave. Geophysical Research Letters. 39(4),-. PDF
https://doi.org/10.1029/2011gl050422
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.