Project network analysis 
By The building research station 
 - Garston  HMSO  1971 
 - 7p. 
<br/><br/><label>ISBN: </label>11 721423 x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Critical path analysis
<br/><br/><label>Dewey Class. No.: </label>X2x42 Un3