A large-scale selective dissemination of information (SDI) system which is in operation at the Agricultural Research Service is described. The unique characteristic of this system is that the users develop and modify their own profiles. The implications of this user-dependent approach for information system planners are discussed. (2 references)…

A survey of the information use and communication patterns of physicists. Includes tables on: sources of information; journal use, importance, and subscriptions; preferred study areas; and library use. (LS)

The University of Georgia Information Dissemination Center is profiled. Emphasis is on the organization and services of the system which primarily serves 27 state supported schools in Georgia. Based on a recent survey, the impact of the service on the users is discussed. (DH)