1. “Recognition of uranium oxides in soil particulate matter by means of ì-Raman spectrometry”. Stefaniak EA, Sajó I, Alsecz A, Worobiec A, Máthé Z, Török S, Van Grieken R, Journal of nuclear materials 381, 278 (2008).   http://doi.org/10.1016/J.JNUCMAT.2008.08.036