Langley Research Center (U.S.). (1970). Status of passive inflatable falling-sphere technology for atmospheric sensing to 100 km: [papers] a symposium held at Langley Research Center, Hampton, Virginia, September 23-24, 1969. Scientific and Technical Information Division, National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.].

Langley Research Center (U.S.). Status of Passive Inflatable Falling-sphere Technology for Atmospheric Sensing to 100 Km: [papers] a Symposium Held at Langley Research Center, Hampton, Virginia, September 23-24, 1969. Washington: Scientific and Technical Information Division, National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1970.

Langley Research Center (U.S.). Status of Passive Inflatable Falling-sphere Technology for Atmospheric Sensing to 100 Km: [papers] a Symposium Held at Langley Research Center, Hampton, Virginia, September 23-24, 1969. Scientific and Technical Information Division, National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1970.