Columbia subject headings:
Far infrared lasers--Measurement--Handbooks, manuals, etc.
Plasma waves--Measurement--Handbooks, manuals, etc.
Harvard subject headings:
Far infrared lasers--Measurement--Handbooks, manuals, etc.
Plasma waves--Measurement--Handbooks, manuals, etc.
Princeton subject headings:
Far infrared lasers--Measurement--Handbooks, manuals, etc.
Plasma waves--Measurement--Handbooks, manuals, etc.