Micro-photography of source documents for the proposed Naitonal Science Library System
Subtitle: a talk delivered at the University of Pittsburgh, June 2, 1964
By: by Samuel B. Freedman
Publisher: publisher not identified
Published: 1964
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 19
Subjects: Microphotography; United States. National Science Library System (proposed)