9[1]Stephen W. Barrett, Stephen F. Arno, James P. Menakis. 1997. Fire Episodes in the inland Northwest(1540~1940) Based on fire History Data. United States Department of Agriculture, Forest Serviee. Intermountain Research Station:4~13
10[2]Frank A. Albini and Elizabeth D. Reinhardt. 1995. Modeling Igition and Burning Rate of Large Woody Natural Fuels. IAWF. Printed in U.S.A. , Int. J. Wildland Fire 5(2):81~91