Columbia subject headings:
Harvard subject headings:
Environmental degradation--Congresses
Epidemiology--Research--International cooperation--Congresses.
Human beings--Effect of environment on--Congresses
Nature--Effect of human beings on--Congresses
Nuclear disarmament--Congresses
Science--Social aspects--Congresses
Princeton subject headings:
Environmental degradation--Congresses.
Epidemiology--Research--International cooperation--Congresses.
Human beings--Effect of environment on--Congresses.
Nature--Effect of human beings on--Congresses.
Nuclear disarmament--Congresses.
Science--Social aspects--Congresses.