POBAL-S, The Analysis and Design of a High Altitude Airship [report]

Jack D. Beemer, Roger R. Parsons, Loren L. Rueter, Paul A. Seuferer, LaDell R. Swiden
1975 unpublished
doi:10.21236/ada012292 fatcat:brwy35jxmrbh5kur4ci3d5is3u