TY  - BOOK
AU  - Brown, A. G.
TI  - Introduction to subject indexing : a programmed text. Vol I : subject analysis and practical classification 
SN  - 0208015248
U1  - 025.33 
PY  - 1976///
CY  - London
PB  - Clive Bingley
KW  - Subject cataloging-programmed instruction
KW  - Indexing-Programmed instruction
ER  -