Keafer, L. S. (1982). Tropospheric passive remote sensing: Proceedings of a workshop sponsored by the NASA Office of Space Science and Applications and the NASA Office of Aeronautics and Space Technology, conducted by Langley Research Center: held in Virginia Beach, Virginia, July 20-23, 1981. Washington, D.C.: National Aeronautics and Space Adminsitration, Scientific and Technical Information Branch.

Keafer, Lloyd S. Tropospheric Passive Remote Sensing: Proceedings of a Workshop Sponsored By the NASA Office of Space Science and Applications and the NASA Office of Aeronautics and Space Technology, Conducted By Langley Research Center: Held in Virginia Beach, Virginia, July 20-23, 1981. Washington, D.C.: National Aeronautics and Space Adminsitration, Scientific and Technical Information Branch, 1982.

Keafer, Lloyd S. Tropospheric Passive Remote Sensing: Proceedings of a Workshop Sponsored By the NASA Office of Space Science and Applications and the NASA Office of Aeronautics and Space Technology, Conducted By Langley Research Center: Held in Virginia Beach, Virginia, July 20-23, 1981. Washington, D.C.: National Aeronautics and Space Adminsitration, Scientific and Technical Information Branch, 1982.