Columbia subject headings:
Geophysics--Bangladesh.
Geophysics--India.
Geophysics--Pakistan.
Geophysics--South Asia.
Harvard subject headings:
Geophysics--Bangladesh.
Geophysics--India.
Geophysics--Pakistan.
Geophysics--South Asia.
Princeton subject headings:
Geophysics--Bangladesh.
Geophysics--India.
Geophysics--Pakistan.