1. Allen TM, Lunefeldt H, Alexander GJ (1971) Driver information needs. Highway Res Rec 336:102–115
2. Alm H, Nilsson L (1989) Mobiltelefon och trafik (Mobile phone and traffic) Rapportutkast. VTI Linköping, Sweden
3. Alm H, Nilsson L (1990) Changes in driver behaviour as a function of hands-free mobile telephones A simulator study. Reprint from Drive project V1017 (Bertie), October 1990. VTI, Linköping, Sweden. VTI särtryck 175/1990
4. Alm H, Nilsson L (1994) Changes in driver behaviour as a function of handsfree mobile phones—a simulator study. Accident Anal Prev 26:441–451
5. Alm H, Nilsson L (1995) The effects of a mobile telephone task on driver behaviour in a car following situation. Accident Anal Prev 27:701–715