TY  - BOOK
AU  - Chan, Lois Mai  .
TI  - Library of congress subjects headings: Principles and applications / 
SN  - 1-56308-195-4
U1  - 2 
PY  - 1995///
CY  - Colorado : 
PB  - Libraries Unlimited INC , 
KW  - Subject heading-Library science
ER  -