TY  - BOOK
ED  - Documentation Research and Training Centre
ED  - Annual Seminar (Bangalore : Dec 19-23, 1965)
TI  - Depth classification, subject heading
U1  - 10 
PY  - 1965///
CY  - Bangalore
PB  - DRTC
KW  - Bibliographies
KW  - Depth classification
KW  - Subject headings
ER  -