Full text available from ABI/INFORM Global: 05/01/1998 to 09/30/2000
Full text available from Advanced Technologies & Aerospace Database: 05/01/1998 to 09/30/2000

Full text available from Engineering Database: 05/01/1998 to present
Full text available from Materials Science Database: 05/01/1998 to present
Full text available from ABI/INFORM Global: 10/01/2000 to present
Full text available from Advanced Technologies & Aerospace Database: 10/01/2000 to present