ERIC Number: ED027913
Record Type: RIE
Publication Date: 1966-May
Reference Count: N/A
DDC Descriptor Frequencies.
Klingbiel, Paul H.; Jacobs, Charles R.
This report summarizes the frequency of use of the 7144 descriptors used for indexing technical reports in the Defense Documentation Center (DDC) collection. The descriptors are arranged alphabetically in the first section and by frequency in the second section. The frequency data cover about 427,000 AD documents spanning the interval from March 1953 through March 1966. (Author)
Clearinghouse for Federal Scientific and Technical Information, Springfield, Va. 22151 (AD-632 600, MF $0.65, HC $3.00).
Publication Type: N/A
Education Level: N/A
Authoring Institution: Defense Documentation Center, Alexandria, VA.