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The Greatest of a Finite Set of Random Variables
Charles E. Clark · Operations Research · 1961 · 727 citations
An Analytical Study of the PERT Assumptions
Kenneth R. MacCrimmon, Charles Ryavec · Operations Research · 1964 · 283 citations
MONTE CARLO METHODS AND THE PERT PROBLEM
Van Slyke, Michael Richard · 1963 · 240 citations
Expected Critical Path Lengths in PERT Networks
D. R. Fulkerson · Operations Research · 1962 · 187 citations