Columbia subject headings:
Harvard subject headings:
Animal introduction--Australia--Congresses.
Biology, Economic--Australia--Congresses.
Ecology--Australia--Congresses.
Pest introduction--Australia--Congresses.
Plant introduction--Australia--Congresses.
Princeton subject headings:
Animal introduction--Australia.
Biology, Economic--Australia.
Ecology--Australia.
Pest introduction--Australia.
Plant introduction--Australia.