Development of a Penning trap system in Munich D. Habs, M. Gross, S. Heinz, O. Kester, V. S. Kolhinen, J. Neumayr, U. Schramm, T. Schätz, J. Szerypo, P. Thirolf and C. Weber Eur. Phys. J. A, 25 3 (2005) 57-58 Published online: 15 August 2005 DOI: 10.1140/epjad/i2005-06-196-7