TY  - RPRT
TI  - A selective microscale x-ray fluorescence analyzing method for determination of trace elements.
AU  - P Puumalainen
AU  - P Suominen
AU  - J Hattula
AU  - H Kalm
PY  - 1973
DO  - 10.1016/0020-708x(73)90087-2
UR  - https://pubmed.ncbi.nlm.nih.gov/4756229/
ID  - 4756229
ER  -