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Hawking, D.; Robertson, S.: On collection size and retrieval effectiveness (2003) 0.03

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Date: 14. 8.2005 14:22:22

Willett, P.; Robertson, S.: In memoriam: Karen Sparck Jones (2007) 0.02

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Robertson, S.; Tait, J.: In Memoriam Karen Sparck Jones (2007) 0.02

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Date: 26.12.2007 14:22:47

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