2
Έκδοση 1993
Full text available from Research Library: 03/01/2014 to 12/31/2015
Full text available from Research Library: 01/01/2018 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
4
Έκδοση 1949
Full text available from ABI/INFORM Global: 03/01/1999 to 12/31/2000
Full text available from Advanced Technologies & Aerospace Database: 03/01/1999 to 12/31/2000
Full text available from Computer Science Database: 03/01/1999 to 12/31/2000
Full text available from Engineering Database: 03/01/1999 to 12/31/2000
Full text available from Research Library: 03/01/1999 to 12/31/2000
Full text available from Science Database: 03/01/1999 to 12/31/2000
Full text available from ABI/INFORM Global: 01/01/2002 to 12/31/2003
Full text available from Advanced Technologies & Aerospace Database: 01/01/2002 to 12/31/2003
Full text available from Computer Science Database: 01/01/2002 to 12/31/2003
Full text available from Engineering Database: 01/01/2002 to 12/31/2003
Full text available from Research Library: 01/01/2002 to 12/31/2003
Full text available from Science Database: 01/01/2002 to 12/31/2003
Full text available from ABI/INFORM Global: 01/01/2006 to 09/30/2018
Full text available from Advanced Technologies & Aerospace Database: 01/01/2006 to 09/30/2018
Full text available from Computer Science Database: 01/01/2006 to 09/30/2018
Full text available from Engineering Database: 01/01/2006 to 09/30/2018
Full text available from Research Library: 01/01/2006 to 09/30/2018
Full text available from Science Database: 01/01/2006 to 09/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
5
Έκδοση 1993
Full text available from ABI/INFORM Global: 01/01/2011 to 07/31/2014
Full text available from Engineering Database: 01/01/2011 to 07/31/2014
Full text available from Research Library: 01/01/2011 to 07/31/2014
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
8
Έκδοση 2005
Full text available from Advanced Technologies & Aerospace Database: 07/01/2005 to present
Full text available from Computer Science Database: 07/01/2005 to present
Full text available from Engineering Database: 07/01/2005 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
9
Έκδοση 2013
Full text available from Advanced Technologies & Aerospace Database: 01/01/2013 to present
Full text available from East & South Asia Database: 01/01/2013 to present
Full text available from Library Science Database: 01/01/2013 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
10
Έκδοση 1959
Full text available from ABI/INFORM Global: 02/01/1997 to 08/31/2010
Full text available from Engineering Database: 02/01/1997 to 08/31/2010
Full text available from Public Health Database: 02/01/1997 to 08/31/2010
Full text available from Science Database: 02/01/1997 to 08/31/2010
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
11
Έκδοση 2002
Available in Education Source.
Ηλεκτρονική πηγή Επιστημονικό περιοδικό