TY  - JOUR
AB  - Aeronautical research scientists of the National Advisory Committee for Aeronautics have in the last six years indexed 7,070 non‐security classified NACA research reports under 458 different subject classification headings for a total of 18,619 subject entries. They further face the task of subject classifying over 400 similar research reports per year, plus the large number of security classified reports issued annually.
VL  - 5
IS  - 3
SN  - 0001-253X
DO  - 10.1108/eb049481
UR  - https://doi.org/10.1108/eb049481
AU  - JACKSON EUGENE B.
PY  - 1953
Y1  - 1953/01/01
TI  - THE NACA CLASSIFICATION SYSTEM—A CASE HISTORY
T2  - Aslib Proceedings
PB  - MCB UP Ltd
SP  - 215
EP  - 234
Y2  - 2024/05/05
ER  -