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author's%3a%20der%2c H. u. A. gunson %28Comp.%29%22 1
author's%3a%20der%2c H. u. A. gunton %28Comp.%29%22 1
authors%3a%20der%2c H. u. A. gunson %28Comp.%29%22 1
author's%3a%20der%2c H. u. A. gibson %28Comp.%29%22 1
authors%3a%20der%2c H. u. A. gunton %28Comp.%29%22 1

Takeda, N.: Problems in hierarchical structures in thesauri : their influences on the results of information retrieval (1994) 0.00

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