Bock, Betty <br/><br/>
Concentration in manufacturing: industry summaries 
by Betty Bock and Jack Farkas 
 - New York  National Industrial Conference Board  1966 
 - 81p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manufacturing industries --United States<br/>Big business --United States
<br/><br/><label>Dewey Class. No.: </label>T315x73 N213co