Barker, J. (1984). Landsat-4 science investigations summary, including December 1983 workshop results: Proceedings of the Landsat-4 Early Results Symposium, February 22-24, 1983, and the Landsat Science Characterization Workshop, December 6, 1983, and held at NASA Goddard Space Flight Center, Greenbelt, Maryland. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch.

Barker, John. Landsat-4 Science Investigations Summary, Including December 1983 Workshop Results: Proceedings of the Landsat-4 Early Results Symposium, February 22-24, 1983, and the Landsat Science Characterization Workshop, December 6, 1983, and Held At NASA Goddard Space Flight Center, Greenbelt, Maryland. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1984.

Barker, John. Landsat-4 Science Investigations Summary, Including December 1983 Workshop Results: Proceedings of the Landsat-4 Early Results Symposium, February 22-24, 1983, and the Landsat Science Characterization Workshop, December 6, 1983, and Held At NASA Goddard Space Flight Center, Greenbelt, Maryland. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1984.