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How to buy a trig-point monograph

To buy, online, Trig-Point monographs, go to the: Geo products link and click on the following options from the left menu:

  • Elementi Geodetici - vertici trigonometrici - certa definizione (certain definition)
    Path per acquisto vertici trigonometrici
  • Elementi Geodetici - vertici trigonometrici - Incerta definizione (uncertain definition: materialization was established approximately or with an order inferior to III and established before 1940)
    Path per acquisto vertici trigonometrici di incerta definizione