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  • × classification_ss:"025.48"
  1. Lancaster, F.W.: Indexing and abstracting in theory and practice (1991) 0.04 
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  2. Lancaster, F.W.: Indexing and abstracting in theory and practice (1998) 0.04 
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  3. Lancaster, F.W.: Indexing and abstracting in theory and practice (2003) 0.04 
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