| http://www.w3.org/ns/prov#value | - FIG. 3e schematically represents the signal obtained when reading the part of the track 4 shown in cross-section in FIG. 3d and FIG. 3f schematically shows a plan view of a part of the track 4 after information has been recorded in a manner other than represented in FIG. 3b and 3d.
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