Columbia subject headings:
Data protection--Congresses.
Digital watermarking--Congresses.
Piccard, Gerhard--Congresses.
Watermarks--Congresses.
Watermarks--Data processing--Congresses.
Harvard subject headings:
Data protection--Congresses
Digital watermarking--Congresses.
Piccard, Gerhard--Congresses.
Watermarks--Congresses.
Watermarks--Data processing--Congresses.
Princeton subject headings:
Data protection--Congresses.
Digital watermarking--Congresses.
Piccard, Gerhard--Congresses.
Watermarks--Congresses.
Watermarks--Data processing--Congresses.