TY  - BOOK
AU  - Rajan, T. N.
TI  - Indexing systems: concept models and techniques
U1  - 025.47 
PY  - 1981///
CY  - Calcutta
PB  - Indian association of special libraries and information
KW  - Indexing systems
KW  - Library science
KW  - Subject indexing
ER  -