The Palace File,Nguyen Tien Hung and Jerrold L. SchecterHapper & Row, Publishers & 6 more1987PDF30 MB
Hypersonic and planetary entry flight mechanics Nguyen X. Vinh, Adolf Busemann, Robert D. CulpNguyen X. Vinh, Adolf Busemann, Robert D. Culp1980PDF9.9 MBEN