TY  - BOOK
AU  - Kent, Allen
AU  - Hall, Carolyn M.Hall
TI  - Encyclopedia of Library and Information science, Vol.51, Supplement-14
SN  - 0824720512
U1  - 020.3 
PY  - 1993///
CY  - New York
PB  - Marcel Dekker, INC.
ER  -