"Dynamical" non-minimal higher-spin interaction and gyromagnetic ratio g=2 I. Ots, R. Saar, R.-K. Loide and H. Liivat Europhys. Lett., 56 3 (2001) 367-371 Published online: 01 December 2003 DOI: 10.1209/epl/i2001-00528-3