Kitsak, M., Gallos, L. K., Havlin, S., Liljeros, F., Muchnik, L., Stanley, H. E. & Makse, H. A.
(2010).
Identifying influential spreaders in complex networks
(cite arxiv:1001.5285
Comment: 31 pages, 12 figures)
Chen, Y., Paul, G., Havlin, S., Liljeros, F. & Stanley, H. E.
(2008).
Finding a Better Immunization Strategy. Physical Review Letters,
101, 058701.
doi: 10.1103/PhysRevLett.101.058701