United States. Advanced Research Projects Agency

• Air radiation tables
• Anthropometric survey of the armed forces of the Republic of Vietnam
• Crisis and arms control
• Flexibility and decision analysis
• Graphics; semiannual technical summary report to the Advanced Research Projects Agency, 1 June - 30 November 1968
• Inverse problems in radiative transfer
• Khumuapracham changwat
• Los alimentos en Centroamérica
• Physiological factors relating to terrestrial altitudes; a bibliography [1878-1965] by L. Yvonne Wulff [et al
• Strongly radiating hypersonic flow over a sphere
• The accession of other nations to the nuclear test ban
• WTEC panel report on display technologies in Russia, Ukraine, and Belarus