The twin Laplace point Ubachsberg-Tongeren, applying the Black method:
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Bibliographic Details
Main Author: Husti, G. J. (Author)
Format: Book
Language:Undetermined
Published: Delft Rijkscommissie voor Geodesie 1971
Series:[Publications on geodesy / New series] 4,1
Physical Description:30 S. Ill., graph. Darst.
ISBN:9061322146

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!