TITLE : First circumpolar trajectory ultralight to heavy long duration balloon development from svalbard, Norway AUTHOR(S) : Peterzen S E, Ibba R, Olsen G J, Dragoy P, Masi S, Romeo G, Di Stefano G, Cardillo A, Musso I TYPE : Conference article YEAR : 2007 CODE : 92166 *** DO NOT EDIT THIS FILE ***