Columbia subject headings:
Harvard subject headings:
Atomic structure--Handbooks, manuals, etc.
Chemistry, Physical and theoretical--Handbooks, manuals, etc.
Ions--Handbooks, manuals, etc.
Molecular structure--Handbooks, manuals, etc.
Princeton subject headings:
Atomic structure--Handbooks, manuals, etc.
Chemistry, Physical and theoretical--Handbooks, manuals, etc.
Ions--Handbooks, manuals, etc.
Molecular structure--Handbooks, manuals, etc.