Two-level disk protection system. [Inexpensive hardware/software combination for data security].

Author: Sindelar, F. L.
Published: United States : [publisher not identified], 1975.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1975.
Physical Description: microfiche : negative ; 11 x 15 cm
Additional Creators: Hoffman, L. J.