TY  - BOOK
AU  - Langridge,Derek Wilton
TI  - Subject analysis: principles and procedures 
SN  - 0408030313
PY  - 1989///
CY  - London
PB  - Bowker-Saur
KW  - Subject cataloging
KW  - Classification
KW  - Books
KW  - Abstracting
KW  - Indexing
ER  -