U.S. national report to International Union of Geodesy and Geophysics 1987-1990.
Contributors: American Geophysical Union.; U.S. National Committee for the International Union of Geodesy and Geophysics.; International Union of Geodesy and Geophysics. General Assembly,
Series: Review of Geophysics -- supplement to volume 29, 1991
Publisher: American Geophysical Union
Place of publication: Washington, DC
Language: eng
Notes: "This report was prepared by the American Geophysical Union on behalf of the U.S National Committee for IUGG" - t.p. verso.

"U.S. National Report to the 20th General Assembly, IUGG" - Introduction.