TY  - RPRT
TI  - Distributed certification application via a trusted dealer.
AU  - Duan-yang Liu
AU  - Xue-zeng Pan
AU  - Ling-di Ping
DO  - 10.1631/jzus.2003.0555
UR  - https://pubmed.ncbi.nlm.nih.gov/12958714/
ID  - 12958714
ER  -