2
Full text available from Advanced Technologies & Aerospace Database: 01/01/2006 to 12/31/2018
Full text available from Science Database: 01/01/2006 to 12/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2006 to 11/30/2018
Full text available from Environmental Science Database: 01/01/2006 to 11/30/2018
Full text available from Science Database: 01/01/2006 to 11/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό