CRANV1P1 ASLIB Cranfield Research Project: Factors Determining the Performance of Indexing Systems: VOLUME 1. Design, Part 1. Text Documents and Questions chapter 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. - 20 - U.S.A. Journal of the Aerospace Sciences ...... (later A. I. A.A. Journal) National Aeronautics and Space Administration Technical Notes Great Britain Royal Aircraft Establishment Reports and Notes Aeronautical Research Council Papers .... National Physical Laboratory Reports .... National Gas Turbine Establishment Reports .. Southampton University Reports ...... College of Aeronautics Reports ...... The Aeronautical Quarterly ........ Journal of the Royal Aeronautical Society Sweden Aeronautical Research Institute Reports . . . ° ° Total 102 38 22 6 3 1 1 3 3 2 TABLE 3. I BIBLIOGRAPHICAL ORIGIN OF BASE DOCUMENTS USED IN THE TEST Australia . . France . . Great Britain India .... Israel . .. Japan . . Sweden .. Swit ze rland United States Totals 1 1 49 1 2 3 1 1 123 TABLE 3.2 COUNTRY OF RESIDENCE OF AUTHORS OF BASE PAPERS U.S.A. G°B. Other AUTHORS' COUNTRY 67.6% 26.0% 5.5% (123) (49) (10) COUNTRY OF PUBLICATION 76.9% 22.5% O. 6% (140) (41) (1) TABLE 3.3. COMPARISON OF AUTHORS' COUNTRY OF RESIDENCE AND COUNTRY OF PUBLICATION