Bibliography
"Climate and Weather."Encyclopedia Britinnaca.1996, ed.
"Satellites." Encarta 1998. CD-ROM. 1997.
Tzimopoulos, Ceanne., et al. Earth Science. Toronto, Ontario:D.C. Heath co.
Forrester, Frank. Questions answered about the Weather. New York: Dover, 1981.
Encyclopedia Americana, Copyright 1998, Vol 24. p. 290.
