Infosystems
- [Wheaton, Ill., Hitchcock Pub. Co.]
- v. ill. 28 cm
- Monthly
- v. 19, no. 7- July 1972-
Microfilm.
Ann Arbor, Mich.,
University Microfilms International.
reels. 35 mm
0364-5533
= Infosystems
sn 86015799
Electronic office machines--Publicaciones Periódicas
Business--Data processing--Publicaciones Periódicas