Columbia subject headings:
Hydrology--Israel--Congresses.
Hydrology--Middle East--Congresses.
Israel--Foreign relations--Middle East--Congresses.
Middle East--Foreign relations--Israel--Congresses.
Water resources development--Israel--Congresses.
Water resources development--Middle East--Congresses.
Harvard subject headings:
Hydrology--Israel--Congresses.
Hydrology--Middle East--Congresses.
Israel--Foreign relations--Middle East--Congresses.
Middle East--Foreign relations--Israel--Congresses.
Water resources development--Israel--Congresses.
Water resources development--Middle East--Congresses.
Princeton subject headings:
Hydrology--Israel--Congresses.
Hydrology--Middle East--Congresses.
Israel--Foreign relations--Middle East--Congresses.
Middle East--Foreign relations--Israel--Congresses.
Water resources development--Israel--Congresses.
Water resources development--Middle East--Congresses.