Welding propellers shaft tubing for automotive industry
Uses of aeroplane in agriculture
Use of high- and low-thrust propulsion in combination for space missions
Some simple considerations of combustion and gas dynamics in liquid propellant rocket motors
Some aspects of recent progress in astronautics
Rocket propulsion systems for interplanetary flight
Replaceable solid propellent cartridges for emergency power in space
Recent developments and current status of hybrid rocket propulsion
Recent aircraft engine developments