The blue social bookmark and publication sharing system.
Log in with your username.
I've lost my password.
Log in with your OpenID-Provider.
journals/expert/X391b, Questions remaining for AI copyrights, and Patents., 4-5, 1991, IEEE Expert, 6, 3, http://dblp.uni-trier.de/db/journals/expert/expert6.html#X391b, http://csdl2.computer.org/dl/mags/ex/1991/03/x3004.pdf