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David Fuys, Dorothy Geddes, Rosamond Tischler, The Van Hiele Model of Thinking in Geometry among Adolescents, Journal for Research in Mathematics Education. Monograph, Vol. 3, The Van Hiele Model of Thinking in Geometry among Adolescents (1988), pp. i+1-196
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Stored only when both papers are in the corpus — 430 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
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