21
22
Full text available from Advanced Technologies & Aerospace Database: 01/01/2009 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
23
Έκδοση 2008
Full text available from East Europe, Central Europe Database: 01/01/2014 to present
Full text available from Materials Science Database: 01/01/2014 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
24
Full text available from Advanced Technologies & Aerospace Database: 01/01/2008 to present
Full text available from East Europe, Central Europe Database: 01/01/2008 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
25
Έκδοση 1991
Full text available from Materials Science Database: 01/01/2010 to 01/31/2014
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
26
Full text available from Materials Science Database: 01/01/1997 to 12/31/2015
Full text available from Materials Science Database: 01/01/2017 to 12/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
27
Full text available from Biological Science Database: 03/01/2000 to 11/30/2018
Full text available from Health & Medical Collection: 03/01/2000 to 11/30/2018
Full text available from Science Database: 03/01/2000 to 11/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
29
Full text available from Earth, Atmospheric & Aquatic Science Database: 02/01/2007 to 09/30/2018
Full text available from Science Database: 02/01/2007 to 09/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
30
Έκδοση 2001
Full text available from East Europe, Central Europe Database: 01/01/2012 to 01/31/2016
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
32
Full text available from Health & Medical Collection: 11/01/2000 to 1 year ago
Full text available from Psychology Database: 11/01/2000 to 1 year ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
33
Full text available from Engineering Database: 01/01/2012 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
34
Full text available from East Europe, Central Europe Database: 01/01/2009 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
37
Full text available from East Europe, Central Europe Database: 01/01/1968 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
38
Έκδοση 1957
Full text available from East Europe, Central Europe Database: 01/01/1957 to present
Full text available from Engineering Database: 01/01/1957 to present
Ηλεκτρονική πηγή Περιοδική έκδοση
39
Έκδοση 1968
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/1968 to present
Full text available from East Europe, Central Europe Database: 01/01/1968 to present
Full text available from Engineering Database: 01/01/1968 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
40
Full text available from East Europe, Central Europe Database: 01/01/1957 to present
Full text available from Engineering Database: 01/01/1957 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό