TY  - BOOK
AU  - Kent Allen.
TI  - Textbook on mechanized information retrieval
T2  - Library science and documentation : A series of texts and monographs ed by Jesse H Shera
U1  - 2:970bD65,8 (2:55), K2 (2D) 
PY  - 1962///
KW  - LIBRARY SCIENCE
ER  -