1
Full text available from Earth, Atmospheric & Aquatic Science Database: 10/01/2010 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Έκδοση 1992
Full text available from Continental Europe Database: 04/01/2010 to present
Full text available from Earth, Atmospheric & Aquatic Science Database: 04/01/2010 to present
Full text available from Environmental Science Database: 04/01/2010 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό