2
Έκδοση 2002
Full text available from Agricultural Science Database: 01/01/2014 to 01/31/2018
Full text available from Engineering Database: 01/01/2014 to 01/31/2018
Full text available from Environmental Science Database: 01/01/2014 to 01/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
Έκδοση 2004
Full text available from Agricultural Science Database: 03/01/2009 to present
Full text available from East Europe, Central Europe Database: 03/01/2009 to present
Full text available from Environmental Science Database: 03/01/2009 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό