00440nam a2200121Ia 4500008004100000082002500041100001900066245006600085260003600151300001700187490008200204700003200286251120b        |||||||| |||| 00| 0 eng d  a658.4035022bN491.GE  aNeumann, Klaus  aGERT networks and the time oriented evaluation of projectsb/  aBerlin:bSpringer-Verlag,c1979  a268 p. Index  aLecture notes in Economics and Mathematical systems, 172- Operations Research  aSteinhardt, Ulricheauthor.