Heyel, Carl <br/><br/>
Computers, office machines, and the new information technology / 
Carl Heyel 
 - London :  The Macmillan Company,  c1969. 
 - vii, 294 p. ;  ill. ;  24 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Office automation<br/>Office management<br/>Mamanement
<br/><br/><label>LC Class. No.: </label>HF5548.2  / .H49 1969 
<br/><br/><label>Dewey Class. No.: </label>651.3  / H615c