PERALTA HERNÁNDEZ, A.R., BARBA MARTÍNEZ, L.R., MAGAÑA RUEDA, V.O., MATTHIAS, A.D. and LUNA RUÍZ, J.J. 2009. Temporal and spatial behavior of temperature and precipitation during the canícula (midsummer drought) under El Niño conditions in central México. Atmósfera. 21, 3 (Oct. 2009).