APA

Nökel K., Stadler A. & Walther C. (2004). Optimisation of bridge maintenance programs in short- and medium-term financial planning. : European transport conference 2004.

Chicago

Nökel Klaus, Stadler Andreas and Walther Christoph. 2004. Optimisation of bridge maintenance programs in short- and medium-term financial planning. : European transport conference 2004.

Harvard

Nökel K., Stadler A. and Walther C. (2004). Optimisation of bridge maintenance programs in short- and medium-term financial planning. : European transport conference 2004.

MLA

Nökel Klaus, Stadler Andreas and Walther Christoph. Optimisation of bridge maintenance programs in short- and medium-term financial planning. : European transport conference 2004. 2004.