Vincentsen, L. J., & Jensen, J. S. (1998). Operation and maintenance of large infrastructure projects: Proceedings of the international symposium on advances in operation and maintenance of large infrastructure projects/Copenhagen/Denmark/10-13 May 1998. Rotterdam: A. A. Balkema.
Παραπομπή Chicago StyleVincentsen, Leif J., and Jens Sandager Jensen. Operation and Maintenance of Large Infrastructure Projects: Proceedings of the International Symposium On Advances in Operation and Maintenance of Large Infrastructure Projects/Copenhagen/Denmark/10-13 May 1998. Rotterdam: A. A. Balkema, 1998.
Παραπομπή MLAVincentsen, Leif J., and Jens Sandager Jensen. Operation and Maintenance of Large Infrastructure Projects: Proceedings of the International Symposium On Advances in Operation and Maintenance of Large Infrastructure Projects/Copenhagen/Denmark/10-13 May 1998. Rotterdam: A. A. Balkema, 1998.