Compares raw-use ranking of journal titles held in libraries with dividing the raw-use frequency of titles by the actual linear shelf space of the title's file to obtain a density-of-use rank. The quality of the differences between the two methods is evaluated. Thirteen references are cited. (FM)

Through utilization of effective sampling procedures, libraries may obtain substantial savings in terms of data collection costs. (Author)

Activities within a library are combined with the library's floor plan to develop a model of the library as a network of queues. This model can be used to predict average patron processing times and costs as they are affected by demand characteristics and floor plan variations. (Author/FM)

Two methods are presented by which the librarian can forecast book circulation by subject. The shelflist model treats the number of library books as a control variable, while the other defines the dependent variable as the proportion of the shelflist circulated. (FM)

Discusses the developments that have positively or adversely affected abstracting and indexing services over the past several decades, addressing such topics as the impact of computers and the migration from print-on-paper to online information provision. Forecasts for the near and long-term future are made and a reference list is included. (JL)

Using factor analysis, seven socioeconomic indicators and three information activity indicators (written communications, technology, and libraries) were derived to relate social and economic conditions in less developed countries with measures of information activity. Information activity variables are appended. (17 references) (EJS)