TY  - RPRT
TI  - Hyphenated techniques--the most commonly used method for trace elemental speciation analysis.
AU  - Klause G Heumann
PY  - 2002
DO  - 10.1007/s00216-002-1359-y
UR  - https://pubmed.ncbi.nlm.nih.gov/12206132/
ID  - 12206132
ER  -