Columbia subject headings:
Harvard subject headings:
Chernobyl Nuclear Accident, Chornobylʹ, Ukraine, 1986--Environmental aspects
Chernobyl Nuclear Accident, Chornobylʹ, Ukraine, 1986.
Organisation for Economic Co-operation and Development
Radiation--Dosage
Radiation--Safety measures
Radioactive fallout--Europe.
Radioactive fallout--United States.
Princeton subject headings:
Chernobyl Nuclear Accident, Chornobylʹ, Ukraine, 1986.
Radioactive pollution.