Elkem Uses Optimization in Redesigning Its Supply Chain. - Nina Linn Ulstein; Marielle Christiansen; Roar Grønhaug; Nick Magnussen; Marius M. Solomon (Interfaces, 2006)

Tactical planning of offshore petroleum production. - Nina Linn Ulstein; Bjørn Nygreen; Jan Richard Sagli (Eur. J. Oper. Res., 2007)