Every Boy`s Handbook / 
Hamlyn. 
 - 4th ed. / 
 - London :  Hamlyn ,  1970. 
 - 256p. :  ill ;  18cm . 
<br/><br/><label>Subjects--Index Terms: </label>Handbook G-Computer Science 
<br/><br/><label>Dewey Class. No.: </label>001  / H 181 Ev