TY  - BOOK
AU  - Ploman,Edward W.
AU  - Hamilton,L.Clark
TI  - Copyright: intellectual property in the information age 
SN  - 0-7100-0539-3
U1  - 346.410482 21E
PY  - 1980///
CY  - London
PB  - Routledge and Kegan Paul
ER  -