Electric Sail Propulsion for Deep Space Missions
Sailing in Space: From Science Fiction to Science Fact
Setting Sail for the Sun: The NEA Scout & Solar Cruiser Missions
Solar Sail Propulsion: Status and Mission Applications
Solar Sail Propulsion for Interplanetary Small Spacecraft
Nuclear Thermal Propulsion and Power: A New Capability for Outer Planet Science and Exploration
STMD: Nuclear Thermal Propulsion Update