Tiwari, V. M., Cabanes, C. ., Dominh, K. ., & Cazenave, A. . (2004). Correlation of interannual sea level variations in the Indian Ocean from Topex/Poseidon altimetry, temperature data and tide gauges with ENSO. Global and Planetary Change, 43, 183–196. http://doi.org/10.1016/j.gloplacha.2004.08.001 (Original work published November 2004)