Guide to microreproduction equipment /
Guide to microreproduction equipment /
edited by H.W. Ballou.
- 4th ed.
- Silver Spring, Md. : National Microform Association, 1970
- 247 p. : ill. ; 23 cm.
Microphotography--Apparatus and supplies--Periodicals
Photocopying processes--Periodicals
Microphotography--Apparatus and supplies--Periodicals
Photocopying processes--Periodicals
