A description of GERT (Graphical Evaluation and Review Technique). It is a procedure for the study of stochastic networks composed of EXCLUSIVE-OR, INCLUSIVE-OR, and AND nodes (vertices) and multiparameter branches (transmittances or edges). The total concept of stochastic networks, the transformation, and the evaluation method is labeled GERT. Examples show the general applicability of the technique; it is viewed as a starting place for many other avenues of research.
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