TY - RPRT TI - On the conversion of tritium units to mass fractions for hydrologic applications AU - David A. Stonestrom AU - Brian J. Andraski AU - Clay A. Cooper AU - Charles J. Mayers AU - Robert L. Michel PY - 2013 DO - 10.1080/10256016.2013.766610 UR - https://pubs.usgs.gov/publication/70040793 ID - 70040793 ER -