Evaluation of Cost Efficiency in Finnish Electricity Distribution. - Pekka J. Korhonen; Mikko J. Syrjänen (Ann. Oper. Res., 2003)

Non-discretionary and discretionary factors and scale in data envelopment analysis. - Mikko J. Syrjänen (Eur. J. Oper. Res., 2004)

Resource Allocation Based on Efficiency Analysis. - Pekka J. Korhonen; Mikko J. Syrjänen (Manag. Sci., 2004)