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history of ethology; neither has references (Burghardt 1977, Heinroth 1977 ).Nevertheless, Katharina Heinroth ' s survey should be taken seriously, because it is based upon her own and her late husband, Oskar Heinroth ' s ethological knowledge.Konrad Lorenz wrote a historical introduction to his Foundations of Ethology (1981 :1-12, German,
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Stored only when both papers are in the corpus — 7 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.