image locations not integers sometimes

[eroux]

for instance:

bdr:CL5B2B81D780E6161E
   a             bdo:ContentLocation ;
   bdo:contentLocationEndPage  "255 ff." ;
   bdo:contentLocationInstance  bdr:W3CN766 ;
   bdo:contentLocationPage  3 ;
   bdo:contentLocationVolume  4 .

bdr:MW3CN766_C5ECF7  a  bdo:Instance ;
   bdo:contentLocation  bdr:CL5B2B81D780E6161E ;