1. Act 1978: 438.
2. Act 1979: 558.
3. Act 1999/2000: 79.
4. Alexandersson, G. (2010). The accidental deregulation – essays on reforms in the Swedish bus and railway industries 1979–2009. PhD Thesis, Stockholm School of Economics.
5. The effects of competition in Swedish local bus services;Alexandersson;Journal of Transport Economics and Policy,1998