A. Helfrick
发表
A. Wilson,
A. Helfrick,
1998,
17th DASC. AIAA/IEEE/SAE. Digital Avionics Systems Conference. Proceedings (Cat. No.98CH36267).
A. Helfrick,
2001,
20th DASC. 20th Digital Avionics Systems Conference (Cat. No.01CH37219).
A. Helfrick,
1993,
[1993 Proceedings] AIAA/IEEE Digital Avionics Systems Conference.