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  • × author_ss:"Nicholls, P.T."
  1. Nicholls, P.T.: Empirical validation of Lotka's law (1986) 0.02 
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    Source
    Information processing and management. 22(1986), S.417-419
  2. Nicholls, P.T.: CD-ROM collection builder's toolkit : the definitive reference for CD-ROM buyers (1991) 0.01 
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  3. Nicholls, P.T.: CD-ROM buyer's guide & handbook : the definitive reference for CD-ROM users (1993) 0.01 
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