1. Did Lake Chad exist around 18,000yrBP?;Adams;Archives for Meteorology, Geophysics and Bioclimatology,1984
2. Paleoclimatic significance of lake-level fluctuations in the Lahontan Basin;Benson;Quaternary Research,1981
3. Insolation values for the climate of the last 10 million years;Berger;Quaternary Science Reviews,1991
4. Hydrology: An Introduction to Hydrologic Science;Bras,1990
5. Evaporation, Evapotranspiration and Climate Data;Burman,1994