TY - RPRT TI - Spectroscopic methods and systems for isotopic analysis AU - O'Rourke, Patrick E. AU - Strange Fessler, Kimberly Alicia AU - Deroller, Nicholas F. AU - Serkiz, Steven M. PY - 2021 UR - https://www.osti.gov/biblio/1840495 ID - 1840495 ER -