@article{RO_1985__19_3_301_0,
     author = {Kamburowski, Jerzy},
     title = {Two-point approximations for activity times in {PERT} networks},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {301--313},
     publisher = {EDP-Sciences},
     volume = {19},
     number = {3},
     year = {1985},
     zbl = {0574.90044},
     language = {en},
     url = {http://www.numdam.org/item/RO_1985__19_3_301_0/}
}