Even if you find a physical used copy (often $10–$20 on Iberlibro or AbeBooks), it is worth every penny. The clarity of Santaló’s exposition, combined with his unique blend of synthetic and analytic methods, makes it superior to most modern textbooks.

, which often list Santaló's works in their reference collections. or help finding physical library copies in your region? (PDF) Santalo Geometria Proyectiva - Academia.edu

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