TY - RPRT TI - Optical scanning cryptography for secure wireless transmission. AU - Ting-Chung Poon AU - Taegeun Kim AU - Kyu Doh PY - 2003 DO - 10.1364/ao.42.006496 UR - https://pubmed.ncbi.nlm.nih.gov/14650492/ ID - 14650492 ER -