TY  - BOOK
AU  - Perry, J W
AU  - Kent, Allen
TI  - Tools for machine literature searching; : Semantic code dictionary, equipment, procedures
T2  - Library science and documentation
PY  - 1958///
CY  - New York: 
PB  - Interscience Publishers, Inc.
KW  - Literature
KW  - Searching
ER  -