Lombaers, H.J.M., ed. <br/><br/>
Project planning by network analysis / 
edited by H.J.M.Lombaers 
 - Amsterdam  North-Holland pub.  1969 
 - x, 456 p. 
<br/><br/><label>ISBN: </label>46855 
<br/><br/><label>Dewey Class. No.: </label>658.01  / INT