Reliability of the pseudospin symmetry in atomic nuclei S. Marcos, M. López-Quelle, R. Niembro, L.N. Savushkin and P. Bernardos Eur. Phys. J. A, 17 2 (2003) 173-180 Published online: 20 May 2003 DOI: 10.1140/epja/i2002-10150-5