Below is a working bibliography of standards documents, national-lab publications, and applied technical analysis, compiled for open research.
Langelier Saturation Index: What to Know — Background & Analysis
Detailed background, context, and analysis on this topic, compiled for open research purposes.
Reference: IEEE
Authoritative source for standards, measurement practice, and applied engineering background reading.
Reference: OSTI — DOE Office of Scientific and Technical Information
Authoritative source for standards, measurement practice, and applied engineering background reading.