Test of spin symmetry in anti-nucleon spectra X. T. He, S. G. Zhou, J. Meng, E. G. Zhao and W. Scheid Eur. Phys. J. A, 28 3 (2006) 265-269 Published online: 07 July 2006 DOI: 10.1140/epja/i2006-10066-0