Studies the relation between journal median citation age and the number of articles in the journal. Discusses statistical explanations, including graphs of clouds of points and the Central Limit Theorem; and considers explanations of regularities in informetrics, based on statistical, probabilistic, or informetric results. (Author/LRW)

Provides an overview of the professional work of Irving Sher. Highlights include his role in the development and implementation of Science Citation Index; the development of the first selective dissemination of information system; development of the journal impact factor; a system of coding references; and citation-based historiography. (LRW)