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  • × subject_ss:"Reference services (Libraries)"
  1. Grogan, D.: Grogan's case studies in reference work : Vol.1-6 (1987) 10.32 
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    025.5'2
    Ddc
    025.5'2
    DDC
    025.5'2
  2. Grogan, D.: Practical reference work (1979) 10.32 
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    025.5'2
    Ddc
    025.5'2
    DDC
    025.5'2

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