1. Editorial comments and contents, Quaternary Res., 2, No. 3 (1972).
2. Arrhenius, G., Rep. Swedish Deep-Sea Expedition, 5, 1 (1952).
3. Hays, J. D., and Peruzza, A., Quaternary Res., 2, 355 (1972).
4. Parkin, D. W., Phillips, D. R., and Sullivan, R. A. L., Q. Jl R. met. Soc., 98, 798 (1972).
5. Jaenicke, R., and Junge, C., Beitr. Phys. Atmos., 40, 1/2, 129 (1967).