|
1
|
|
|
|
QA9.8
.H6
|
Godel, Escher, Bach : an eternal golden braid
|
New York, [ United States ] : Vintage House , 1980
|
Hofstadter, Douglas R.
|
|
17911
|
|
2
|
|
|
|
Q335
.H6
|
Metamagical themas : questing for the essence of mind and pattern/Douglas R. Hofstadter
|
New York, [ United States ] : Bantam Books Inc. , 1985
|
Hofstadter, Douglas R.
|
0553342797
|
85242
|