APA

Skarra N., . (1976). Registration techniques and equipment used in Norway to evaluate pavement conditions and maintenance needs. Oslo: Transportökonomisk Institutt. Notat nr 319.

Chicago

Skarra N, . 1976. Registration techniques and equipment used in Norway to evaluate pavement conditions and maintenance needs. Oslo: Transportökonomisk Institutt. Notat nr 319.

Harvard

Skarra N., . (1976). Registration techniques and equipment used in Norway to evaluate pavement conditions and maintenance needs. Oslo: Transportökonomisk Institutt. Notat nr 319.

MLA

Skarra N, . Registration techniques and equipment used in Norway to evaluate pavement conditions and maintenance needs. Oslo: Transportökonomisk Institutt. Notat nr 319. 1976.