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
Die Entwicklung des Henschel-Lokomotivbaus in Schwerpunkten
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