TY  - BOOK
AU  - Kent, Allen., ed.
AU  - Lancour, Harold., ed.
TI  - Encyclopedia of library and information science - V.6: copying to departmental libraries
SN  - 0824721063
U1  - 020.3 
PY  - 1971///
CY  - New York
PB  - Marcel Dekker
ER  -