APA

Ingvarsson H., Westerberg B., . (1986). Operation and maintenance of bridges and other bearing structures State-of-the-art report and R&D needs. Stockholm: Transportforskningsberedningen.

Chicago

Ingvarsson Hans, Westerberg Bo, . 1986. Operation and maintenance of bridges and other bearing structures State-of-the-art report and R&D needs. Stockholm: Transportforskningsberedningen.

Harvard

Ingvarsson H., Westerberg B., . (1986). Operation and maintenance of bridges and other bearing structures State-of-the-art report and R&D needs. Stockholm: Transportforskningsberedningen.

MLA

Ingvarsson Hans, Westerberg Bo, . Operation and maintenance of bridges and other bearing structures State-of-the-art report and R&D needs. Stockholm: Transportforskningsberedningen. 1986.