Registration fee paid after December 31,1989 : Participant . . . . . . . . . . . U.S. $ 120. Accompanying person . . . U.S. $ 60. The registration fee includes access to all conference rooms, a set of summaries of symposium contributions, sightseeing, technical visits, receptions, and other miscellaneous services.

4. Other meeting Fourth International Conference onthe WEGENER/MEDLAS Project Europa Hotei $cheveningen The Netherlands,

June 7- 9, 1989 organized on behalf of the WEGENER/MEDLAS Management Board by the Faculty of Geodesy and the Faculty of Aerospace Engineering of the Delft University of Technology

Fur more information contact : Delft University of Technology Congress Office/Mrs. M.H.E Komen-Zimmerman Stevinweg 1, 2628 CN Delft (The Netherlands) Tel. : (15) 7 8 1 3 4 0

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