4Maki T, Kajzer J. The behavior of bicyclists in frontal and rear crash accidents with cars[J].JSAE Review,2001,22(2) :357-363.
5Rasanen M, Summala H. Attention and expectation problems in bicycle-car collisions: an indepth study[J]. Accident Analysis and Prevention, 1998, 30(5):657 -666.