Columbia subject headings:
Earthquake damage--Turkey--Düzce İli.
Earthquakes--Turkey--Düzce İli.
İzmit Earthquake, Turkey, 1999.
Harvard subject headings:
Earthquakes--Turkey--Düzce İli.
İzmit Earthquake, Turkey, 1999.
Princeton subject headings:
Earthquakes--Turkey--Düzce İli.
İzmit Earthquake, Turkey, 1999.