E. Hammerstad
发表
E. Hammerstad,
O. Jensen,
1980,
1980 IEEE MTT-S International Microwave symposium Digest.
J. Bennett,
F. Parthiot,
E. Hammerstad,
1991,
OCEANS 91 Proceedings.
Erik O. Hammerstad,
E. Hammerstad,
1975,
1975 5th European Microwave Conference.
R.E. Hansen,
T.O. Saebo,
P.E. Hagen,
2005,
Europe Oceans 2005.
Roy Edgar Hansen,
Per Espen Hagen,
Kenneth Gade,
2001
.