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- object's%3a%22Knaurs lexikon von a-z%22 2
- object's%3a%22Knaurs lexicon von a-z%22 2
- objects%3a%22Knaurs lexikon von a-z%22 2
- object's%3a%22Knaurs lexikons von a-z%22 2
- objects%3a%22Knaurs lexicon von a-z%22 2
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Cooper, W.S.: ¬On selecting a measure of retrieval effectiveness, revisited (1973)
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Cooper, W.S.: ¬The paradoxal role of unexamined documents in the evaluation of retrieval effectiveness (1976)
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