TY - BOOK AU - Neumann,Klaus AU - Steinhardt,Ulrich TI - GERT networks and the time-oriented evaluation of projects T2 - Lectures notes in economics and mathematical systems SN - 3540097058 U1 - (042.3)621.316.1 PY - 1979/// CY - Berlin PB - Springer - Verlag KW - networks - lectures ER -