Versuchsberichte über photogrammetrische Höhenlinien
Bericht über den internationalen Versuch Reichenbach : (1962 - 1964)
AIAA 3rd Fluid and Plasma Dynamics Conference : Los Angeles, California, June 29 - July 1, 1970
AIAA 4th Fluid and Plasma Dynamics Conference : Palo Alto, California, June 21 - 23, 1971
AIAA 5th Fluid and Plasma Dynamics Conference : Boston, Mass., June 26 - 28, 1972
Person movement in urban areas
Person movement in urban areas