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An indicator of excellence in Canadian science
MacAulay, James B., (1985)
Information work with unpublished reports
Holloway, Arthur Herbert, (1977)
The size of science in the old Nigerian universities : a preliminary analysis
Adamson, I, (1981)
The hidden literature: the scientific journals of industry
Drott, M. Carl, (1975)
Bradford's law and libraries: present applications—potential promise
Drott, M. Carl, (1979)
Personal knowledge, corporate information: The challenges for competitive intelligence
Drott, M. Carl, (2001)