Columbia subject headings:
Nuclear power plants--Accidents.
Three Mile Island Nuclear Power Plant (Pa.)
Harvard subject headings:
Nuclear power plants--Accidents
Nuclear power plants--Accidents--Pennsylvania
Nuclear power plants--Pennsylvania--Accidents.
Nuclear reactor accidents--1979.
Nuclear reactors--Safety measures
Three Mile Island Nuclear Power Plant (Pa.)
Princeton subject headings:
Nuclear power plants--Accidents.
Three Mile Island Nuclear Power Plant (Pa.)