Columbia subject headings:
Power resources--Periodicals.
Harvard subject headings:
Energy development--Periodicals
Energy industries--Periodicals
Petroleum industry and trade--Periodicals
Power resources--Periodicals
Princeton subject headings:
Energy development--Forcasting--Periodicals.
Energy industries--Forcasting--Periodicals.
Periodicals.
Petroleum industry and trade--Forcasting--Periodicals.
Power resources--Forcasting--Periodicals.