Robuta

https://www.nist.gov/publications/resonance-ionization-mass-spectrometry-systems-measurement-135cs137cs-isotopic-ratio

Resonance Ionization Mass Spectrometry Systems. Measurement of 135Cs/137Cs Isotopic Ratio | NIST

resonance ionization mass spectrometry systems measurement isotopic

https://www.nist.gov/publications/isotopic-ratio-measurements-135cs137cs-using-resonance-ionization-mass-spectrometry-0

Isotopic Ratio Measurements of 135Cs/137Cs using Resonance Ionization Mass Spectrometry | NIST

isotopic ratio resonance ionization measurements using mass