Davis, William S.,  1943- <br/><br/>
Information processing systems 
William S. Davis 
 - 2d ed. 
 - Reading, Mass.  Addison-Wesley Pub. Co.  c1981 
 - xix, 504 p., [4] leaves of plates  ill.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing<br/>Electronic digital computers
<br/><br/><label>Dewey Class. No.: </label>001.64