TY  - RPRT
TI  - Comparability and reproducibility of biomarker ratio values measured by GC-QQQ-MS
AU  - Katherine L. French
AU  - Arne Leider
AU  - Christian Hallmann
PY  - 2020
DO  - 10.1016/j.orggeochem.2020.104124
UR  - https://pubs.usgs.gov/publication/70215257
ID  - 70215257
ER  -