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Kritischer Weg und PERT : Methoden zur Planung zeitabhängiger Prozesse
Schreiter, Dieter, (1968)
Ideational items : Custom-tailored PERT/CPM systems
Schonberger, Richard J., (1972)
Relaxation methods for minimum cost ordinary and generalized network flow problems
Bertsekas, Dimitri P., (1988)
Critical path method : introduction and practice
Armstrong-Wright, A. T., (1969)