The amorphous Zn biomineralization at Naracauli stream, Sardinia: Electron microscopy and X-ray absorption spectroscopy, Medas, D., Lattanzi P., Podda F., Meneghini C., Trapananti A., Sprocati A.R., Casu M.A., Musu E., and De Giudici G. , Environmental Science and Pollution Research, Volume 21, Number 11, p.6775-6782, (2014)