O'Brien, James J. <br/><br/>
Scheduling handbook 
<label>/ by </label> O'Brien, James J. 
 - New York  McGraw-Hill Book Company  1969 
 - xii, 605p.  24 cm. 
<br/><br/><label>ISBN: </label>070476012 
<br/><br/><label>Dewey Class. No.: </label>658.51  / OBR