2
Έκδοση 1965
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2011 to 01/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
7
Full text available from Advanced Technologies & Aerospace Database: 01/01/1997 to 1 year ago
Full text available from Science Database: 01/01/1997 to 1 year ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
8
Έκδοση 1995
Full text available from Biological Science Database: 07/01/2005 to 10/31/2018
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Ηλεκτρονική πηγή Επιστημονικό περιοδικό
10
Έκδοση 1951
Full text available from Computer Science Database: 12/01/1997 to 06/30/2018
Full text available from Engineering Database: 12/01/1997 to 06/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
11
Έκδοση 1968
Full text available from Biological Science Database: 01/01/2003 to 1 year ago
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2003 to 1 year ago
Full text available from Health & Medical Collection: 01/01/2003 to 1 year ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
12
Full text available from Biological Science Database: 01/01/2011 to present
Full text available from East Europe, Central Europe Database: 01/01/2011 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
13
Έκδοση 1992
Full text available from Biological Science Database: 01/01/2004 to present
Full text available from East Europe, Central Europe Database: 01/01/2004 to present
Full text available from Research Library: 01/01/2004 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
15
Full text available from Computer Science Database: 01/01/2008 to 07/31/2014
Full text available from Engineering Database: 01/01/2008 to 07/31/2014
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
17
18
Full text available from Earth, Atmospheric & Aquatic Science Database: 02/01/2006 to 12/31/2018
Full text available from Environmental Science Database: 02/01/2006 to 12/31/2018
Full text available from Science Database: 02/01/2006 to 12/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
19
Έκδοση 1966
Full text available from Advanced Technologies & Aerospace Database: 01/01/1997 to 1 year ago
Full text available from Computer Science Database: 01/01/1997 to 1 year ago
Full text available from Engineering Database: 01/01/1997 to 1 year ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό