1. Alberts, B. and Bray, D., “Molecular biology of the cell”, Garland, New York, 1994
2. Darnell, J., Lodish, H. and Baltimore, D., “Molecular cell biology”, Scientific American Books, New York, 1995
3. Lingappa, V.R., Chaidez, J., Yost, C.S. and Hedgepetch, J., Proc. Natl. Acad. Sci. U.S.A., 1984, 81: 456
4. Choi, K.M. and Brimacombe, R., Nucleic Acids Res., 1998, 26: 887
5. Gabashvili, I.S., Gregory, S.T., Valle, M., Grassucci, R., Worbs, M., Wahl, M.C., Dahlberg, A.E. and Frank, J., Mol. Cell, 2001, 8: 181