TY  - BOOK
AU  - Chan,Loios Mai  .
TI  - Library of congress subject headings principles and applications / 
SN  - 81-7000-516-7
U1  - 025.49 
PY  - 2004///
CY  - Colarado : 
PB  - Libraries Unlimited , 
KW  - Subject headings
ER  -