Columbia subject headings:
International cooperation--Research--Congresses.
International relations--Research--Congresses.
Security, International--Research--Congresses.
System theory--Congresses.
Harvard subject headings:
International cooperation--Research--Congresses.
International relations--Research--Congresses.
Security, International--Research--Congresses.
System theory--Congresses
Princeton subject headings:
International cooperation--Congresses.
International relations--Research--Congresses.
Security, International--Congresses.
System theory--Congresses.