%0 Journal Article %T CO2- and temperature-controlled altitudinal shifts of C4- and C3-dominated grasslands allow reconstruction of palaeoatmospheric pCO2 %A Boom, A. %A Marchant, R. %A Hooghiemstra, H. %A Sinninghe Damsté, J.S. %A , %J Palaeogeography, Palaeoclimatology, Palaeoecology %V 177 %N 1-2 %P 151-168 %@ 0031-0182 %D 2002-01-01 %I Elsevier BV %~ DeepDyve