TY - RPRT TI - Improvements in the gaseous hydrogen-water equilibration technique for hydrogen isotope ratio analysis AU - T.B. Coplen AU - J. D. Wildman AU - J. Chen PY - 2002 DO - 10.1021/ac00009a014 UR - https://pubs.usgs.gov/publication/70016803 ID - 70016803 ER -