1. Early reflections of P′P′ as an indication of upper mantle structure;Adams;Bull. Seismol. Soc. Am.,1968
2. Early reflections of P′P′ as an indication of upper mantle structure: a reply;Adams;Bull. Seismol. Soc. Am.,1969
3. Reflections from discontinuities beneath Antarctica;Adams;Bull. Seismol. Soc. Am.,1971
4. Phase changes in the upper mantle;Anderson;Science,1967
5. Latest information from seismic observations;Anderson,1967