@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 },

issn = { 0030-400X },

pages = { 371-378 },

}