TY  - GEN
AU  - Gardner, Martin, 194-
TI  - Logic machines and diagrams
U1  - 510.78 
PY  - 1958///
CY  - New York
PB  - McGraw Hill
KW  - Calculating machines
KW  - Ready reckness
KW  - Diagrams
KW  - Mathematics
N1  - Includes bibliographies
ER  -