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Based on the Annual Wreford Watson Lecture, delivered in Edinburgh in December 1995. With thanks to the Department of Geography at Edinburgh University for its invitation and hospitality. I should also like to thank Allan Findlay, an anonymous referee, Steve Pile and John Allen, for their comments.
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Stored only when both papers are in the corpus — 68 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
Imported from OpenAlex (CC0) — nothing here is generated.