.245
a	Logic machines and diagrams.
h	Book
.100
a	Gardner Martin
.005
a	00000000000000
.260
a	New York: McGraw-Hill, 1958.
b
c	2000
.084
a	R 621.381 Old
.300
a	viii, 157 hlm.
b	gamb., tab., 21 cm.
c	viii, 157 hlm.; gamb., tab., 21 cm.
.336
a	Book