Udubaşa Sorin S.; Constantinescu Simona Cristina; Popescu-Pogrion N.; Grecu N. M.; Udubaşa Gheorghe: Mössbauer (NGR), XRD, tem/saed and esr investigation on some sulphides from Costeşti, valea lui stan and Jidoştiţa Gold Ores (Southern Carpathians, Romania). In: Acta mineralogica-petrographica, (5). p. 123. (2006)