TY - JOUR T1 - Characteristics and Manufacture of Spherical Smokeless Powders JO - Journal of Aerospace Technology and Management A1 - Botelho, Fernanda Diniz A1 - Galante, Erick Braga Ferrão A1 - Mendes, Álvaro José Boareto SN - 2175-9146 UL - 10.5028/jatm.v7i4.466 VL - 7 Y1 - 2015 PB - Brasil ER -