Columbia subject headings:
Geology, Structural--Congresses.
Geology--Himalaya Mountains--Congresses.
Harvard subject headings:
Geology, Structural--Congresses
Geology, Structural--Himalaya Mountains--Congresses.
Geology--Himalaya Mountains--Congresses.
Princeton subject headings:
Geology, Structural--Congresses.
Geology--Himalaya Mountains--Congresses.