von Bally, G. ICO20: Biomedical Optics. SPIE Digital Library.
Chicago-čujuhus (17. p.)von Bally, Gert. ICO20: Biomedical Optics. SPIE Digital Library.
MLA-čujuhus (9. p.)von Bally, Gert. ICO20: Biomedical Optics. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.