Unknown
Kyrö, Esko
;
Taalas, Petteri
;
Jørgensen, Torben S.
;
[et al.]
Knudsen, Bjørn
;
Stordahl, Frode
;
Braathen, Geir
;
Dahlback, Arne
;
Neuber, Roland
;
Krüger, Bernd C.
;
Dorokhov, Valery
;
Yuskov, V. A.
;
Rudakov, V. V.
;
Torres, Arnold
American Geophysical Union