Investment in transport infrastructure : in the 1980's
Statistical trends in transport : = Annales statistiques de transport
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
Contribution of road traffic emissions to tropospheric ozone in Europe and Germany
Annales statistiques de transport : = Statistical trends in transport