HeLa cell infected with Ad2 for 60 min (source, Greber, U.F. Vierteljahresschrift Naturforsch. Ges. Zurich, 142, 3-12).

a) overview
b) Ad2 at nuclear pore complexes
c) computer-assisted reconstruction of  Ad2 (see Stewart et al, 1991, Cell 67, 145-154).