Symposium on the Complexity of Computer Computations (1972   <br/><br/>
Complexity of computer computations   
ed. by Raymond E. Miller and James W. Thatcher 
 - New York  Plenum Press  1972 
 - x, 225p. 
 - IBM Research Symposia series .
<br/><br/><label>ISBN: </label>0306307073 
<br/><br/><label>Dewey Class. No.: </label>621.381952  / N721