Davis, B.A.S.; Brewer, S.; Stevenson, A.C.; Guiot, J. The temperature of Europe during the Holocene reconstructed from pollen data. Quaternary Science Reviews. 2003, 22 (15–17): 1701–16. Bibcode:2003QSRv...22.1701D. doi:10.1016/S0277-3791(03)00173-2.
Davis, B.A.S.; Brewer, S.; Stevenson, A.C.; Guiot, J. The temperature of Europe during the Holocene reconstructed from pollen data. Quaternary Science Reviews. 2003, 22 (15–17): 1701–16. Bibcode:2003QSRv...22.1701D. doi:10.1016/S0277-3791(03)00173-2.
P.W. Williams, D.N.T. King, J.-X. Zhao K.D. Collerson. Speleothem master chronologies: combined Holocene 18O and 13C records from the North Island of New Zealand and their paleoenvironmental interpretation. The Holocene. 2004, 14 (2): 194–208. doi:10.1191/0959683604hl676rp.