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3. Sutton, G. H., Lewis, B. T. R., Ewing, J., Duennebier, F. K., Iwatake, G., and Tuthill, J. D.: 1980, ?Lopez Island Ocean Bottom Seismometer Intercomparison Experiment?, Report No. H1G-80-4, Hawaii Institute of Geophysics, Honolulu, Hawaii, pp. 1?72.
4. Sutton, G. H., Duennebier, F. K.; and Iwatake, B.: 1981, ?Coupling of Ocean Bottom Seismometers to Soft Bottoms?, Marine Geophys. Res 5, 35?51 (this issue).
5. Sutton, G. H., Lewis, B. R., Ewing, J., Duennebier, F. K., Iwatake, B., and Tuthill, J. D.: 1981, ?An Overview and General Results of the Lopez Island OBS Experiment?, Marine Geophys. Res. 5, 3?34 (this issue).