1. δ18O OF CELLULOSE ORGANIC FRACTION COMBINED WITH δ 18O OF CALCITE AND δ 18O OF DIATOMS IN LAKE SEDIMENTS: A NEW TOOL FOR PALEOCLIMATE RECONSTRUCTIONS ON CONTINENTS?. Authors: MONIKA KLISCH, K. ROZANSKI, TOMASZ GOSLAR, T.W.D. EDWARDS, A. SHEMESH.