Describes a method of measuring the retrieval performance of book indexes which requires human searchers to base their searching strategies on actual passages from the book rather than on test queries. (FM)

The Environmental Protection Agency's (EPA) inhouse library systems fall into two principle categories: basic library inventory systems and literature retrieval systems. Currently, the library network supports three inventory systems: the journal system; the hard bound book system; and the circulation system. At the same time, five efforts are…