1. Golson, J., Studies in Oceanic Culture History, 2, 67 (B. P. Bishop Museum, Honolulu, 1971).
2. Key, C. A., Nature, 219, 360 (1968).
3. Key, C. A., Archaeology and Physical Anthropology in Oceania, 4 (1), 47 (1969).
4. Ahrens, L. H., and Taylor, S. R., Spectrochemical Analysis (Addison-Wesley, Reading, Massachusetts, 1961).