Rooyen,Van.H.O. <br/><br/>
Computer science. 

 - ed. 
 - pretoria :  university of south africa,  1981. 
 - 249  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>theory of computing 1.