Columbia subject headings:
Harvard subject headings:
Communication of technical information--Congresses
German language--Technical German--Congresses.
Intercultural communication--Congresses.
Italian language--Technical Italian--Congresses.
Sublanguage--Congresses.
Princeton subject headings:
German language--Jargon--Congresses.
German language--Technical German--Congresses.
Italian language--Jargon--Congresses.
Italian language--Technical Italian--Congresses.