TY  - RPRT
TI  - Comparison of methods for the determination of carotene
AU  - J.V. Derby
AU  - J.B. DeWitt
PY  - 2020
DO  - 10.1093/jaoac/31.4.704
UR  - https://pubs.usgs.gov/publication/5220676
ID  - 5220676
ER  -