Multidisciplinary research in space-related science and technology Semiannual report
The biological significance of the search for extraterrestrial life
The Biological Significance of the Search for Extraterrestrial Life
History of the Missions of Army Aviation Performed in Support of the Field Army
Soviet Long-Range Space-Exploration Program: Analytical Survey
Composition of the Lunar Highlands - Possible Implications for Evolution of the Earth'S Crust
Unorthodoxies and Controversies in Planetary and Space Science
The Development of Launch Vehicles within the European Space Program
Evolution of Commensurabilities Between Natural Satellites
APOLLO 11 Evidence for the Differentiation of Lunar Materials
A Program Plan for Earth Orbital Space Astronomy
Preliminary Data on Lunar Soil Supplied by Automatic Station Luna-16
Lunar Surface Closeup Stereoscopic Photography on the Ocean of Storms (APOLLO 12 Landing Site)
Transportation Innovation and Changing Spatial Patterns: Pittsburgh, 1850-1910
Ages, RB-87 Sr-87 of Soil and Rock Fragments Brought from the Lunar Mountains by Luna 20
Preliminary Data on the Lunar Soil Brought Back by the Luna-20 Automatic Station
A technical summary of air cushion craft development
Main design characteristics of gas turbine engine GTU-20
Stand und Zukunft des nuklearen Schiffsantriebes