Ashton, Frank. <br/><br/>
Mechanised accounting  direct-entry accounting machines and computers 
Frank Ashton. 
 - London  Macdonald & Evans  1973. 
 - x, 206 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0712113533 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing--Accounting.<br/>Machine accounting.