Castro, C.G., T.R. Baumgartner, S. Bograd, R. Castro, F.P. Chavez, C.A. Collins, R. Durazo, J. García, G. Gaxiola-Castro, T. Hayward, A. Huyer, R. Lynn, A.S. Mascarenhas, M.R.D. Robert, R.L. Smith, P.A. Wheeler, and F.A. Whitney. 2002. Introduction to The 1997-8 El Niño Atlas of oceanographic conditions along the west coast of North America (23ºN-50ºN). Progress in Oceanography, 54:503-511.