TY  - RPRT
TI  - Determination of trace elements in standard reference materials by the ko-standardization method.
AU  - B Smodis
AU  - R Jaćimović
AU  - S Jovanović
AU  - P Stegnar
DO  - 10.1007/bf02992657
UR  - https://pubmed.ncbi.nlm.nih.gov/1704748/
ID  - 1704748
ER  -