1
Full text available from Biological Science Database: 01/01/2017 to present
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2017 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Full text available from Arts & Humanities Database: 01/01/1996 to 01/31/2013
Full text available from Research Library: 01/01/1996 to 01/31/2013
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
4
Full text available from Social Science Database: 07/01/2008 to 3 years ago
Full text available from Sociology Database: 07/01/2008 to 3 years ago
Full text available from UK & Ireland Database: 07/01/2008 to 3 years ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
6
Έκδοση 1991
Full text available from Canadian Business & Current Affairs Database: 03/01/1993 to 12/31/1994
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
8
Έκδοση 1946
Full text available from Social Science Database: 01/01/1952 to 12/31/1952
Full text available from Social Science Database: 01/01/2014 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
10
Full text available from Engineering Database: 01/01/2017 to 07/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό