Forrsund FR and E Hernaes (1995). “A Comparative Analysis of Ferry Transport in Norway.” in Charnes A, WW Cooper, AY Lewin and LM Seiford (eds.) Data Envelopment Analysts: Theory, Methodology, and Applications, Kluwer.
Forrsund FR and E Hernaes (1995). “A Comparative Analysis of Ferry Transport in Norway.” in Charnes A, WW Cooper, AY Lewin and LM Seiford (eds.) Data Envelopment Analysts: Theory, Methodology, and Applications, Kluwer.