1. Antonov, J.I., Seidov, D., Boyer, T.P., Locarnini, R.A., Mishonov, A.V., Garcia, H.E. & Johnson, D.R. (2010). World Ocean Atlas 2009. In: Levitus S.S. (Ed.), Noaa atlas nesdis 69 (vol. 2, p. 184 ff.). Washington, D.C.: U.S. Government Printing Office.
2. Blackman, D., de Groot-Hedlin, C., Harben, P., Sauter, A., & Orcutt, J. A. (2004). Testing low/very low frequency acoustic sources for basin-wide propagation in the Indian Ocean. The Journal of the Acoustical Society of America, 116(4), 2057–2066.
3. Bratt, S. R., & Bache, T. C. (1988). Locating events with a sparse network of regional arrays. Bulletin of the Seismological Society of America, 78(2), 780–798.
4. Bryan, G. M., Truchan, M., & Ewing, J. I. (1963). Long-range SOFAR studies in the South Atlantic Ocean. Journal of the Acoustical Society of America, 353, 1447–1462.
5. Céspedes, I., Huang, Y., Ophir, J., & Spratt, S. (1995). Methods for estimation of subsample time delays of digitized echo signals. Ultrasonic Imaging, 17(1), 42–171.