On the observability of Bell's inequality violation in the two-atoms optical Stern-Gerlach model M. Tumminello, A. Vaglica and G. Vetri Eur. Phys. J. D, 36 2 (2005) 235-239 Published online: 23 August 2005 DOI: 10.1140/epjd/e2005-00234-2