1. Recent evidence concerning the structure and composition of the earth's mantle;Anderson;Phys. Chem. Earth,1966
2. On the upper mantle;Caloi;Advan. Geophys.,1967
3. Discussion on Recent Advances in the Technique of Seismic Recording and Analysis, organized by Sir Edward Bullard, F.R.S., and Sir William Penny, F.R.S., London, 28-29 January 1965 Proc. Roy. Soc, London, A 1422 1966
4. 1966