@conference{136031, author = {Leticia Pibida and C McMahon and W N{omlat}rtersh{amlat}user and B Bushaw}, title = {Comparison of Resonance Ionization Mass Spectrometry Systems for the Determination of 135Cs/137Cs Isotope Ratios, edited by C.W. Wilkerson}, year = {2002}, number = {4634}, month = {2002-01-01}, publisher = {Methods for Ultrasensitive Detection II , Bellingham, WA}, language = {en}, }