10Roger A. Pielke,Nolan Doesken,Odilia Bliss,Tara Green,Clara Chaffin,Jose D. Salas,Connie A. Woodhouse,Jeffrey J. Lukas,Klaus Wolter. Drought 2002 in Colorado: An Unprecedented Drought or a Routine Drought?[J] 2005,Pure and Applied Geophysics(8-9):1455~1479