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  • × author_ss:"Klingbiel, P.H."
  • × author_ss:"Silvester, J.P."
  1. Silvester, J.P.; Klingbiel, P.H.: ¬An operational system for subject switching between controlled vocabularies (1993) 0.09 
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  2. Silvester, J.P.; Genuardi, M.T.; Klingbiel, P.H.: Machine-aided indexing at NASA (1994) 0.05 
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