Berghmans, F. Optical Sensing and Detection. SPIE Digital Library.
Chicago-čujuhus (17. p.)Berghmans, Francis. Optical Sensing and Detection. SPIE Digital Library.
MLA-čujuhus (9. p.)Berghmans, Francis. Optical Sensing and Detection. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.