References
[1] Mano, M. Morris, “Digital Design”, 3 rd Edition, Prentice Hall PTR, 2001
[2].Thomas H. Cormen, Clifford Stein, Ronald L. Rivest, Charles E. Leiserson, “Introduction to ......Algorithms”, 2 nd Edition, McGraw-Hill Higher Education, 2001.
[3] R.E. Bryant ``Graph-Based Algorithms for Boolean Function Manipulation,'' IEEE .....Transactions on Computers, Vol. C-35, No. 8, August, 1986, pp. 677-691.