Lockyer, K. G. <br/><br/>
An introduction to critical path analysis / 
by K. G. Lockyer. 
 - 3rd ed. 
 - London :  Pitman,  1969. 
 - xi, 219 p. :  ill. 
<br/><br/><label>ISBN: </label>0273405446 
<br/><br/><label>LCCN: </label>93034412     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Critical path analysis.