1
Έκδοση 1997
Full text available from Engineering Database: 04/01/1999 to 04/30/1999
Full text available from Research Library: 04/01/1999 to 04/30/1999
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Full text available from Advanced Technologies & Aerospace Database: 04/01/1987 to 08/31/2017
Full text available from Military Database: 04/01/1987 to 08/31/2017
Full text available from Research Library: 04/01/1987 to 08/31/2017
Ηλεκτρονική πηγή Επιστημονικό περιοδικό