TY  - BOOK
AU  - Lefkovitz, David
TI  - FILE STRUCTURES FOR ON-LINE SYSTEMS
U1  - 651.8 
PY  - 1969///
CY  - New York
PB  - Spartan Books
KW  - On-Line Data Processing
KW  - Information Storage And Retrieval Systems
N1  - Bibliography : P. 211
ER  -