Holm, K. V., J. Beckitt, F. Østergaard Christiansen, and U. Stemmann. “Alternativ Finansiering Af Fremtidens Infrastruktur”. Proceedings from the Annual Transport Conference at Aalborg University, vol. 20, no. 1, Dec. 2013, doi:10.5278/ojs.td.v1i1.5703.