1. Crawford, C. B. and D. M. Farmer, 1987: On the spatial distribution of ocean bubbles. J. Geophys. Res., 92, 8231-8243.
2. Gill, A. E., 1982: Atmosphere-Ocean Dynamics. Academic Press, New York, 662pp.
3. Kaneko, A., N. Gohda, H. Nakajima, T. Itoh, K. Kawatate, T. Nagahama and H. Hurukawa, 1993: Profiling measurement of the equatorial currents by an ADCP on the mooring lines. In Preliminary Report of the Hakuho Maru Cruise KH-92-5, T. Asai, Ed., Ocean Research Institute, University of Tokyo, 36-55.
4. Kaneko, A. and T. Ito, 1994: Prevalence of ADCP and the associated progress of oceanography. Umi no Kenhyu, 3, 359-372 (in Japanese).
5. McPhaden, M. J., 1993: TOGA-TAO and the 1991-93 El Nino-Southern Oscillation event. Oceanography, 6, 36-43.