%0 Generic %T The Hague Declarations of 1899 (IV, 1) and 1907 (XIV) prohibiting the discharge of projectiles and explosives from balloons. %U https://ezaccess.libraries.psu.edu/login?url=https://www.heinonline.org/HOL/Page?handle=hein.hoil/proproj0001&id=1&collection=hoil&index=alpha/H_hoil