References for Battisti's lectures:

Thompson, C. J. and D.S. Battisti, 2000: A Linear Sochastic
    Dynamical Model of ENSO. Part II: Analysis. In press, J. Climate.
Compressed postscript here.

Garreaud, R.D. and D.S. Battisti, 1999: Interannual ENSO and
    Interdecadal ENSO-like Variability in the Southern Hemisphere
    Tropospheric Circulation. J. Climate, 12, 2113-2123.
Compressed postscript here.

Wallace, J. M., E.M. Rasmusson, T.P. Mitchell, V. Kousky, E. Sarachik, and H. von Storch, 1998: On the structure and evolution of ENSO-related climate
    variability in the tropical Pacific: lessons from TOGA. J. Geophys. Res., 103, 14241-59. Compressed postscript here.

Neelin, J. D., D. S. Battisti, A. C. Hirst, F. F. Jin, Y. Wakata, T.
    Yamagata and S. Zebiak, 1998: ENSO Theory. J. Geophys. Res., 103,
    14,261-290.
Compressed postscript here.

Zhang, Y., J.M. Wallace and D.S. Battisti, 1997: "ENSO-like Interdecadal  Variability: 1900-93." J. Climate, 10, 1004-20.
Compressed postscript here.

Battisti, D.S., 1988: "The Dynamics and Thermodynamics of a Warming Event in a Coupled Tropical Atmosphere/Ocean Model."  J. Atmos. Sci., 45, 2889-2919.
  Compressed postscript here.
Zhang, Y., J.M. Wallace and D.S. Battisti, 1997: "ENSO-like