TY  - BOOK
AU  - Aitchison T M
TI  - Laboratory evaluation of printed subject indexes
T2  - Inspec report, R70/5
U1  - 2:55:f, L3.1 (2) 
PY  - 1970///
CY  - London
PB  - Inspec       
KW  - LIBRARY SCIENCE
ER  -