@article{892151, author = {Leticia Pibida and C McMahon and W Nortershauser and B Bushaw}, title = {Comparison of Resonance Ionization Mass Spectrometry Systems for the Determination of 135Cs/137Cs Ratios}, year = {2008}, month = {2008-10-16 14:10:14}, publisher = {SPIE Meeting}, language = {en}, }