Cite as: Wallace, J.M.; Rasmusson, E.M.; Mitchell, T.P.; Kousky, V.E.; Sarachik, E.S.; Storch, H.v.: On the structure and evolution of ENSO-related climate variability in the tropical Pacific: Lessons from TOGA. In: Journal of Geophysical Research. Vol. 103 (1998) C 7, 14,241 - 14,259.