APA

Nygaard B., . (1989). Simple but sophistcated electronic traffic analysis to improve safety and provide roadusers with instant feed-back information. Abstract. : Statens Väg- och Trafikinstitut. Rapport.

Chicago

Nygaard Birger, . 1989. Simple but sophistcated electronic traffic analysis to improve safety and provide roadusers with instant feed-back information. Abstract. : Statens Väg- och Trafikinstitut. Rapport.

Harvard

Nygaard B., . (1989). Simple but sophistcated electronic traffic analysis to improve safety and provide roadusers with instant feed-back information. Abstract. : Statens Väg- och Trafikinstitut. Rapport.

MLA

Nygaard Birger, . Simple but sophistcated electronic traffic analysis to improve safety and provide roadusers with instant feed-back information. Abstract. : Statens Väg- och Trafikinstitut. Rapport. 1989.