Various documents relating to discussion in AR5 WGI of climate sensitivity and other matters of interest are made available on this page.
A critical analysis of estimates of transient climate response (TCR) included in Figure 10.20.a) of AR5 WGI is available here: AR5_TCR_estimates
A critical analysis of estimates of equilibrium climate sensitivity (ECS) included in Figure 10.20.b) of AR5 WGI is available here: AR5_ECS_estimates