CRANV1P1 ASLIB Cranfield Research Project: Factors Determining the Performance of Indexing Systems: VOLUME 1. Design, Part 1. Text title page title page Cyril Cleverdon Jack Mills Michael Keen Cranfield An investigation supported by a grant to Aslib by the National Science Foundation. Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. ASLIB CRANFIELD RESEARCH PROJECT FACTORS DETERMINING THE PERFORMANCE OF INDEXING SYSTEMS VOLUME 1. DESIGN by Cyril Cleverdon. Jack Mnls and Michael Keen Part 1 . Tem An investigation supported by a grant to Aslib by the National Science Foundation C canfield 1566