... Inland transport statistics for Europe and North America
... Inland transport statistics for Europe and North America
Annual bulletin of transport statistics for Europe and North America
Planetary protection for Europa radar sounder antenna
A magnetotelluric instrument for probing the interiors of Europa and other worlds
Calculating risk and payoff in planetary exploration and life detection missions
Design for CubeSat-based dust and radiation studies at Europa
Augmenting NASA Europa Clipper by a small probe: Europa Tomography Probe (ETP) mission concept
Statistics of road traffic accidents in Europe and North America