8[2]Ola Hagring et al.COMPARISON OF CAPACITY MODELS FOR TWO-LANE ROUNDABOUTS[C].In the proceeding of 82nd annual meeting of the Transportation Research Board,January 2003.
9[5]Haight,F.A.Mathematical theories of traffic flow[M].New York:Academic Press,1963.
10[6]Ola Hagring.A FURTHER GENERALIZATION OF TANNER'S FORMULA[J].Transportation Research Part B,1998,32(6):423 ～429.
