1. Delaney, J. R., Johnson, H. P. & Karsten, J. L. J. geophys. Res. B86, 11, 747–11, 750 (1981).
2. Johnson, H. P. et al. J. geophys. Res. 88, 2297–2315 (1983).
3. Elvers, D., Potter, K., Seidel, D. & Morley, J. IDOE Survey of seamap N.O.S. BGM-1-1-71 (NOAA Environmental Data Service, Washington, D.C., 1974).
4. Macdonald, K. C. A. Rev. Earth planet. Sci. 10, 155–190 (1982).
5. Normark, W. R., Morton, J. L. & Delaney, J. R. US Geol. Surv. Open File 82–200A (1982).