Study of charmonia in four-meson final states produced in two-photon collisions S. Uehara, I. Adachi, H. Aihara, V. Aulchenko, T. Aushev, A.M. Bakich, V. Balagura, E. Barberio, A. Bay, K. Belous et al. (143 more) Eur. Phys. J. C, 53 1 (2008) 1-14 Published online: 06 November 2007 DOI: 10.1140/epjc/s10052-007-0451-z