TY  - RPRT
TI  - Trace element contamination II. Certain pH electrodes.
AU  - J W Ball
AU  - E A Jenne
PY  - 1976
DO  - 10.1007/bf01685588
UR  - https://pubmed.ncbi.nlm.nih.gov/13881/
ID  - 13881
ER  -