“...Electronic journals....”
Full text available from ABI/INFORM Global: 1989 to 1990
Full text available from Advanced Technologies & Aerospace Database: 1989 to 1990

“...Electronic journals....”
Full text available from Computer Science Database: 10/01/1987 to 04/30/1991
Full text available from ABI/INFORM Global: 1990 to 04/30/1991
Full text available from Advanced Technologies & Aerospace Database: 1990 to 04/30/1991