Copyright, working within the revision law
Subtitle: proceedings of the Spring Copyright Conference, Seven Springs Resort, Champion, Pa., May 27-28, 1977
By: conference sponsored by Pennsylvania Learning Resources Association ... [et al.].
Contributors: Pennsylvania Learning Resources Association.
Publisher: The Association
Published: 1977
Place of publication: [s.l.]
Language: eng
Number of pages: 168
Subjects: Copyright -- United States -- Congresses.
Notes: Bibliography: p. 165.
Includes index.