Crossley, J.N. <br/><br/>
What is mathematical logic ? 

 - London :  Oxford university press,  1972 
 - 82p.;  20cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences and mathematics
<br/><br/><label>Dewey Class. No.: </label>511.3  / CRO