TY  - BOOK
AU  - Tsolis, Dimitrios
AU  - Drossos, Lambros AND Sioutas, Spyros AND Papatheodorou, Theodore
TI  - Digital rights management for e-commerce systems
SN  - 9781605661186
U1  - 005.8 
PY  - 2009///
PB  - Information Science Reference
ER  -