| |
| 1990 | ||
|---|---|---|
| 2 | J. Todd Wittbold, Dale M. Johnson: Information Flow in Nondeterministic Systems. IEEE Symposium on Security and Privacy 1990: 144-161 | |
| 1989 | ||
| 1 | J. Todd Wittbold: Controlled Signalling Systems and Covert Channels. CSFW 1989: 87-104 | |
| 1 | Dale M. Johnson | [2] |