@Article{ Batle-_Casas-_Plastino-_PLASTINO:371-378,

author = { J Batle- and M Casas- and A. Plastino- and ANGEL RICARDO PLASTINO } ,

title = { 3243 },

journal = { Optics and Spectroscopy },

year = { 2005 },

volume = { 99 },

pages = { 371-378 },

}