TY  - GEN
TY  - GEN
T1  - Copyright and photocopying : papers on problems and solutions, design for a clearinghouse, and a bibliography
T2  - Student contribution series
A2  - Heilprin, Laurence B.
LA  - eng
PP  - College Park
PB  - College of Library and Information Services, University of Maryland
YR  - 1977
UL  - https://kansalliskirjasto.finna.fi/Record/fikka.189454
OP  - 158
SN  - 0911808140
KW  - Photocopying processes : Fair use (copyright) : Addresses, essays, lectures : United States.
KW  - Yhdysvallat
ER  -