@article{98109,
      author       = "González Val, Rafael  and Olmo, Jose  and Xarxa de
                      Referència en Economia Aplicada (XREAP) ",
      title        = "<a
                      href="/search?f=title&p=Growth%20in%20a%20Cross-Section%20of%20Cities%20Location%2C%20Increasing%20Returns%20or%20Random%20Growth%3F&sc=1&ln=en">Growth
                      in a Cross-Section of Cities : Location, Increasing Returns
                      or Random Growth?</a>",
      year         = "2011",
}