The earth's rotation and reference frames for geodesy and geodynamics : proceedings of the 128th Symposium of the International Astronomical Union, held in Coolfont, West Virginia, U.S.A., 20-24 October 1986 / edited by Alice K. Babcock and George A. Wilkins. International Astronomical Union. Symposium (128th : 1986 : Coolfont, W. Va.) Babcock, Alice Kay Wilkins, George A. (George Alan), 1929- Celestial reference systems Congresses. Geodesy Congresses. Geodynamics Congresses. QB633 .I58 1986 525.35 19 INE Includes bibliographies and index. Dordrecht ; Boston : Kluwer Academic Publishers, c1988. c1988. 1988 Text xviii, 470 p. : eng Earth (Planet) Rotation Congresses.