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Mann, Michael; Briffa, Keith; Jones, Philip; Kiefer, Thorsten; Kull, Christoph; Wanner, Heinz (2006). Scientists Convene to Discuss Climate Variability of Past Millennia. Eos, 87, pp. 526-527. Roma: Sigma-tau
Demarée, Gaston; Rutishauser, This (2009). Origins of the word "phenology". Eos, 90(34), p. 291. Wiley 10.1029/2009EO340004
