4Livio, M. The Golden Ratio: The Story of Phi, the World's Most Astonishing Number[ M ]. New York: Broadway Books, 2002 : 106-107.
5Hailiang Zhang,Cheng Fu Ye.The Hosoya Index of Cycles and Several Type of Figures [J].International Journal of Combinatorial Graph Theory and Applications,2009 ( 1 ):19-22.
6Limin Yang. Applications from Counting Theory of S^(n)-factors on Lucas Numbers and Bell Numbers [J].International Journal of Analyzing Methods of Components and Combinatorial Biology in Mathematics, 2008 ( 1 ):95-102.
7WANG Tian Ming, YANG Li Min. Enumereation of Ideal Subgraphs [J], GRAPH THEORY, COMBINATORICS, ALGORITHMS, AND APPLICATIONS. 1991,539-545.
8HARARY F, PALMER E. Graphical Enumeration [M], New York and London, 1973.
9Philippe Pittelound,Estimates of coefficients of chromatic polynomials and numbers of cliques of (c,n,m)-Graphs,Graph Theory,2003,42(2):81-94.
10Harary,F.,Palmer,E.,Graphical Enumeration,New York and London,1973.