3 libri in questo genere
The parachute manual
Dan Poynter
World War II Troop Type Parachutes Axis: Germany, Italy, Japan
Guy Richards
Ėkspluatat︠s︡ii︠a︡ i bezopasnostʹ parashi︠u︡tnykh sistem
Georgiĭ Petrovich Shibanov
