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...Electronic journals....
Full text available from ABI/INFORM Global: 01/01/2012 to 10/31/2017
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2012 to 10/31/2017
Full text available from Environmental Science Database: 01/01/2012 to 10/31/2017
Ηλεκτρονική πηγή Επιστημονικό περιοδικό