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  • × author_ss:"Lankes, R.D."
  • × theme_ss:"Informationsdienstleistungen"
  1. Lankes, R.D.; Collins, J.W.; Kasowitz, A.S.: Digital reference service in the new millennium : planning, management, and evaluation (2000) 0.01 
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  2. Lankes, R.D.: New concepts in digital reference (2009) 0.00 
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