Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Dela Cruz, Hugo', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Computation of geographic positions of location monuments connected by traverse to triangulation stations gan Dela Cruz, Hugo

    Cyhoeddwyd 1946
    Traethawd Ymchwil

    Computation of geographic positions of location monuments connected by traverse to triangulation stations

Offerynnau Chwilio: