Columbia subject headings:
Harvard subject headings:
Electric power--Canada--Periodicals.
Electric power--United States--Periodicals.
Interconnected electric utility systems--Canada--Reliability--Periodicals.
Interconnected electric utility systems--United States--Reliability--Periodicals.
Princeton subject headings:
Electric power systems--Canada--Reliability--Periodicals.
Electric power systems--United States--Reliability--Periodicals.
Electric power--Canada--Periodicals.
Electric power--United States--Periodicals.