Peter Zweber, "Precision Measurements of the Timelike Electromagnetic Form Factors of the Pion, Kaon, and Proton", hep-ex/0605026.
David N. Joffe, "A Search for the Singlet-P State hc(1 1P1) of Charmonium in Proton-Antiproton Annihilations at Fermilab Experiment E835p", hep-ex/0505007.