21
Έκδοση 2000
...Electronic journals....
Full text available from Engineering Database: 01/01/1988 to 04/30/2000
Full text available from Engineering Database: 12/01/2003 to 07/31/2011
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
23
Έκδοση 2002
...Electronic journals....
Full text available from Earth, Atmospheric & Aquatic Science Database: 08/01/2007 to 11/30/2010
Full text available from Engineering Database: 08/01/2007 to 11/30/2010
Full text available from Science Database: 08/01/2007 to 11/30/2010
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
24
25
...Electronic journals....
Full text available from Engineering Database: 07/01/1998 to 11/30/2000
Full text available from Research Library: 07/01/1998 to 11/30/2000
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
27
...Electronic journals....
Full text available from Research Library: 08/01/1998 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό