@misc{RefWorks:2913,
  author = 	 {A. Barabasi and R. Albert and H. Jeong},
  year = 	 {1999},
  title = 	 {Scale-free Characteristics of Random Networks: the Topology of the World Wide Web},
  journal = 	 {Physica A},
  volume = 	 {272},
  pages = 	 {173-187}
}
@misc{RefWorks:2914,
  author = 	 {A. Barabasi and Bonabeau and Eric},
  year = 	 {2003},
  title = 	 {Scale-Free Networks},
  journal = 	 {Scientific American},
  volume = 	 {288},
  number = 	 {5}
}
@misc{RefWorks:2912,
  author = 	 {H. Basmaciyan and J. Schmidt},
  year = 	 {1964},
  title = 	 {Development and Application of a Modal Split Model for the Puget Sound Region},
  pages = 	 {5–28}
}
@misc{RefWorks:2915,
  author = 	 {D. E. Boyce and R. Farhi and R. Weischedel},
  year = 	 {1974},
  title = 	 {Optimal Subset Selection: Multiple Regression, Interdependence and Optimal Network Algorithms}
}
@misc{RefWorks:2917,
  author = 	 {W. Christaller},
  year = 	 {1933},
  title = 	 {Die zentralen Orte in Süddeutschland}
}
@misc{RefWorks:2927,
  author = 	 {Xie Feng and D. Levinson},
  year = 	 {2006},
  title = 	 {The Weakest Link: A model of the decline of surface transportation networks},
  journal = 	 {Transportation Research part E (accepted)},
  pages = 	 {27}
}
@misc{RefWorks:2918,
  author = 	 {B. Fullerton},
  year = 	 {1975},
  title = 	 {The Development of British Transport Networks}
}
@misc{RefWorks:2919,
  author = 	 {W. Garrison and D. Levinson},
  year = 	 {2006},
  title = 	 {The Transportation Experience: Policy, Planning and Deployment}
}
@misc{RefWorks:2920,
  author = 	 {S. Handy},
  year = 	 {1992},
  title = 	 {Regional versus Local Accessibility: Variations in Suburban Form and the Effects on Non-work Travel}
}
@misc{RefWorks:2921,
  author = 	 {S. Hanson},
  year = 	 {1986},
  title = 	 {The Geography of Urban Transportation},
  pages = 	 {266-270}
}
@misc{RefWorks:2923,
  author = 	 {D. Helbing and J. Keltsch and P. Molnár},
  year = 	 {1997},
  title = 	 {Modeling the Evolution of Human Trail Systems},
  journal = 	 {Nature},
  volume = 	 {388},
  pages = 	 {47}
}
@misc{RefWorks:2922,
  author = 	 {G. Hilton and J. Due},
  year = 	 {1960},
  title = 	 {The Electric Interurban Railways in America}
}
@misc{RefWorks:2924,
  author = 	 {B. G. Hutchinson},
  year = 	 {1974},
  title = 	 {Principles of Urban Transportation Systems Planning},
  volume = 	 {New York}
}
@misc{RefWorks:2925,
  author = 	 {L. King},
  year = 	 {1985},
  title = 	 {Central Place Theory},
  pages = 	 {28-46}
}
@misc{RefWorks:2926,
  author = 	 {P. Krugman},
  year = 	 {1996},
  title = 	 {The Self-Organizing Economy},
  pages = 	 {53-100}
}
@misc{RefWorks:2928,
  author = 	 {D. Levinson},
  year = 	 {2003},
  title = 	 {Perspectives on Efficiency in Transportation},
  journal = 	 {International Journal of Transport Management},
  volume = 	 {1},
  pages = 	 {145-155}
}
@misc{RefWorks:2929,
  author = 	 {D. Levinson and F. Xie and S. Zhu},
  year = 	 {2006},
  title = 	 {The Co-evolution of Land Use and Transportation (under review)}
}
@misc{RefWorks:2930,
  author = 	 {D. Levinson and B. Yerra},
  year = 	 {2006},
  title = 	 {Self Organization of Surface Transportation Networks},
  journal = 	 {Transportation Science},
  volume = 	 {40},
  number = 	 {2},
  pages = 	 {179-188}
}
@misc{RefWorks:2931,
  author = 	 {G. Mensch},
  year = 	 {1979},
  title = 	 {Stalemate in Technology: Innovations Overcome the Depression}
}
@misc{RefWorks:2932,
  author = 	 {N. Nakicenovic},
  year = 	 {1988},
  title = 	 {Dynamics and Replacement of U.S. Transport Infrastructures},
  journal = 	 {Cities and Their Vital Systems: Infrastructure—Past, Present and Future}
}
@misc{RefWorks:2933,
  author = 	 {H. Neuberger},
  year = 	 {1971},
  title = 	 {User Benefit in the Evaluation of Transport and Land Use Plans},
  journal = 	 {Journal of Transportation Economics and Policy},
  pages = 	 {52-77}
}
@misc{RefWorks:2934,
  author = 	 {M. Newman},
  year = 	 {2003},
  title = 	 {The Structure and Function of Complex Networks},
  journal = 	 {45},
  pages = 	 {167-256}
}
@misc{RefWorks:2935,
  author = 	 {Niemeier},
  year = 	 {1997},
  title = 	 {Accessibility: an Evaluation using Consumer Welfare},
  journal = 	 {Transportation},
  volume = 	 {24},
  pages = 	 {377-396}
}
@misc{RefWorks:2936,
  author = 	 {Juan de Dios Ortuzar and L. G. Willumsen},
  year = 	 {2001},
  title = 	 {Modeling Transport},
  pages = 	 {John Wiley & Songs, LTD}
}
@misc{RefWorks:2937,
  author = 	 {T. C. Schelling},
  year = 	 {1978},
  title = 	 {Micromotives and Macrobehavior}
}
@misc{RefWorks:2938,
  author = 	 {F. Schweitzer and F. Ebeling and H. Rose and O. Weiss},
  year = 	 {1998},
  title = 	 {Optimization of Road Networks Using Evolutionary Strategies},
  journal = 	 {Evolutionary computation},
  pages = 	 {419-438}
}
@misc{RefWorks:2939,
  author = 	 {Y. Sheffi},
  year = 	 {1985},
  title = 	 {Urban Transportation Networks: equilibrium Analysis with Mathematical Programming Methods},
  pages = 	 {287-289; 325-32}
}
@misc{RefWorks:2916,
  author = 	 {Chachra V. and P. M. Ghare and J. M. Moore},
  year = 	 {1979},
  title = 	 {Applications of Graph Theory Algorithms}
}
@misc{RefWorks:2940,
  author = 	 {R. Vaughan},
  year = 	 {1987},
  title = 	 {Urban Spatial Traffic Patterns},
  pages = 	 {96-155}
}
@misc{RefWorks:2941,
  author = 	 {Feng Xie and D. Levinson},
  year = 	 {2005},
  title = 	 {The Topological Evolution of Road Networks (under review)}
}
@misc{RefWorks:2942,
  author = 	 {D. Yamins and S. Rasmussen and D. Fogel},
  year = 	 {2003},
  title = 	 {Growing Urban Roads},
  journal = 	 {Networks and Spatial Economics},
  volume = 	 {3},
  pages = 	 {69-85}
}
@misc{RefWorks:2943,
  author = 	 {H. Yang and M. G. H. Bell},
  year = 	 {1998},
  title = 	 {Models and Algorithms for Road Network Design: A Review and Some New Developments},
  journal = 	 {Transport Reviews},
  volume = 	 {18},
  pages = 	 {257-278}
}
@misc{RefWorks:2944,
  author = 	 {B. Yerra and D. Levinson},
  year = 	 {2005},
  title = 	 {The emergence of hierarchy in transportation networks},
  journal = 	 {Annals of Regional Science},
  volume = 	 {39},
  number = 	 {3},
  pages = 	 {541-553}
}
@misc{RefWorks:2945,
  author = 	 {L. Zhang and D. Levinson},
  year = 	 {2004},
  title = 	 {A Model of the Rise and Fall of Roads}
}