Christy, director of the Earth System Science Center at the University of Alabama, Huntsville, U.S.A., as reported in The Wall Street Journal, November 1, 2007.
Džons Kristijs, Alabamas universitātes (Hantsvila, ASV) Zemes sistēmas zinātnes centra direktors; citēts no The Wall Street Journal 2007. gada 1. novembra numura.