1
Έκδοση 1984
Full text available from Arts & Humanities Database: 03/01/2011 to 04/30/2015
Full text available from Engineering Database: 03/01/2011 to 04/30/2015
Full text available from India Database: 03/01/2011 to 04/30/2015
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Full text available from Engineering Database: 04/08/2013 to 12/31/2015
Full text available from Engineering Database: 01/01/2017 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό