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| 2009 | ||
|---|---|---|
| 2 | Seong Oun Hwang: How Viable Is Digital Rights Management?. IEEE Computer 42(4): 28-34 (2009) | |
| 1999 | ||
| 1 | Seong Oun Hwang, Dan Hyung Lee, Chang Soon Park: An Electronic Cash for Smart Cards. Applied Informatics 1999: 382-385 | |
| 1 | Dan Hyung Lee | [1] |
| 2 | Chang Soon Park | [1] |
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