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Building on previous discussion in this Journal, the author suggests that optimum subsidies could possibly be as high as 60 per cent of an operator’s costs. But fares and the level of service should also be controlled. travel cards may provide a form of two-part tariff for public transport.
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Stored only when both papers are in the corpus — 43 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.