Crossley, John N. <br/><br/>
Sets, Models And Recursion Theory 
/by John N. Crossley 
 - London;  North- Holland Publishing Company:  1967. 
 - 331p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>519  / CRO/S