R. van Gulik

χc2 formation in two-photon collisions at LEP

Emilio Leonardi, William J. Burger, K. Lassila-Perini, 1999 .

Meson photon transition form-factors and resonance cross-sections in e+ e- collisions

F. A. Berends, R. van Gulik, G. A. Schuler, 1997 .

Single- and Multi-Photon Events with Missing Energy in e+e- Collisions at LEP

Georgi Sultanov, H. El Mamouni, J. Fay, 2005 .

Search for Heavy Neutral and Charged Leptons in e+ e- Annihilation at LEP

William J. Burger, Georgi Sultanov, H. El Mamouni, 2001, hep-ex/0107015.