HIGGINS, R.W., DOUGLAS, A., HAHMANN, A., BERBERY, E.H., GUTZLER, D., SHUTTLEWORTH, J., STENSRUD, D., AMADOR, J., CARBONE, R., CORTEZ, M., DOUGLAS, M.W., LOBATO, R., MEITIN, J., ROPELEWSKI, C., SCHEMM, J., SCHUBERT, S. and ZHANG, C. 2009. Progress in Pan American CLIVAR Research: The North American Monsoon System. Atmósfera. 16, 1 (Oct. 2009).