Optimal Design of a High-Altitude Solar-Powered Unmanned Airplane.Published in:Journal of Aerospace Technology & Management, 2013, v. 5, n. 3, p. 349, doi. 10.5028/jatm.v5i3.223By:de Mattos, Bento Silva;Secco, Ney Rafael;Salles, Eduardo FranciscoPublication type:Article