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Titlebook: GERT Networks and the Time-Oriented Evaluation of Projects; Klaus Neumann,Ulrich Steinhardt Book 1979 Springer-Verlag Berlin Heidelberg 19

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978-3-540-09705-1Springer-Verlag Berlin Heidelberg 1979
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,Die Verarbeitung der 153 Fälle,In this section, we summarize those most important concepts from the theory of graphs and activity networks which are basic to the material that follows. For additional background the reader may wish to refer to BUSACKER, SAATY [1], ELMAGHRABY [4], NEUMANN [13], and WHITEHOUSE [25].
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https://doi.org/10.1007/978-3-662-40123-1 the durations of the individual activities are independent of the time of occurrence of the initial events of these activities (compare (1.2.5)). Many projects, however, for which the time planning is to be carried out by means of GERT networks do not satisfy this restriction.
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Allgemeines: Aufgaben der Meteorographen,herefore to be preferred to this evaluation procedure. A simpler version of this procedure suffices to determine so-called “non-genuine” IOR nodes and to replace them by EOR nodes, as is necessary, for example, in order to apply the BES method from chapter 3 (compare convention (3.1.2)). This will be discussed in section 4.4.
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