TY  - RPRT
TI  - Multiple pH levels in chromatograms.
AU  - A A BITANCOURT
AU  - A P NOGUEIRA
PY  - 1959
DO  - 10.1126/science.129.3341.99
UR  - https://pubmed.ncbi.nlm.nih.gov/13615326/
ID  - 13615326
ER  -