Liquid-drop stability of a superdeformed prolate semi-spheroidal atomic cluster D. N. Poenaru, R. A. Gherghescu, A. V. Solov'yov and W. Greiner EPL, 79 6 (2007) 63001 Published online: 03 September 2007 DOI: 10.1209/0295-5075/79/63001