Onset of chaos in finite interacting Boson systems with F-spin H.N. Deota, N.D. Chavda and V. Potbhare Eur. Phys. J. Special Topics, 222 3-4 (2013) 953-960 Published online: 11 July 2013 DOI: 10.1140/epjst/e2013-01897-8