TY  - BOOK
AU  - Collison, Robert L
TI  - Indexes and indexing
SN  - 510-45721-5
U1  - 020.5 21st
PY  - 1969///
CY  - London
PB  - Ernest Benn
KW  - Indexing; Information retrieval; Automatic indexing; Chain indexing
ER  -