H. Helvajian
发表
R. Welle,
H. Helvajian,
1989,
International Symposium on High Power Laser Systems and Applications.
K. Breuer,
H. Helvajian,
S. Janson,
1999
.
Siegfried W. Janson,
D. Mayer,
S. Amimoto,
1998,
1998 IEEE Aerospace Conference Proceedings (Cat. No.98TH8339).
H. Helvajian,
2013,
CLEO: 2013.
F. E. Livingston,
H. Helvajian,
H. Helvajian,
2006
.
Koji Sugioka,
Koichi Toyoda,
Katsumi Midorikawa,
2003
.
F. E. Livingston,
H. Helvajian,
H. Helvajian,
2005
.
F. E. Livingston,
H. Helvajian,
H. Helvajian,
2007
.