Columbia subject headings:
Astrophysics--Congresses.
Dynamics--Congresses.
Gravitation--Congresses.
Many-body problem--Congresses.
Harvard subject headings:
Astrophysics--Congresses
Dynamics--Congresses
Gravitation--Congresses
Many-body problem--Congresses.
Princeton subject headings:
Astrophysics--Congresses.
Dynamics--Congresses.
Gravitation--Congresses.
Many-body problem--Congresses.