Likforman-Sulem, L. Document Recognition and Retrieval XVII. SPIE Digital Library.
Chicago-čujuhus (17. p.)Likforman-Sulem, Laurence. Document Recognition and Retrieval XVII. SPIE Digital Library.
MLA-čujuhus (9. p.)Likforman-Sulem, Laurence. Document Recognition and Retrieval XVII. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.