一般注記Description based on the latest issue
Comprehensive directory of databases as well as services "involved in the production and distribution of information in electronic form." There is a detailed subject index and function/service classification as well as name, keyword, and geographical location indexes
17th ed (1997) - issued in 2 v.: v. 1. Descriptive listings. v. 2. Descriptive listings and indexes
Kept up to date by supplements issued between editions
改題前継続前 : Encyclopedia of information systems and services