TY - BOOK AU - Kavrakoglu Ibrahim ed. ED - NATO Advances Study institute on Mathematical Modelling of Energy Systems ( 1979 : Istambul, Turkey) ED - TI - Mathematical modelling of energy systems: proceedings U1 - 338.47621 PY - 1981/// CY - Alphen aan den Rijn PB - Sijthoff & Noordhoff KW - Energy systems ER -