First circumpolar trajectory ultralight to heavy long duration balloon development from Svalbard, Norway
Proceedings article published in 2007 by
S. E. Peterzen,
R. Ibba,
G. J. Olsen,
P. Dragoy,
S. Masi 
,
G. Romeo ,
G. Distefano,
A. Cardillo,
I. Musso
,
G. Romeo ,
G. Distefano,
A. Cardillo,
I. Musso
