@techreport{SagnolBalzerBorndoerferetal.2016, author = {Guillaume Sagnol and Felix Balzer and Ralf Bornd{\"o}rfer and Claudia Spies and Falk von Dincklage}, title = {Makespan and Tardiness in Activity Networks with Lognormal Activity Durations}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {16-23}, language = {eng}, year = {2016} }