Kaltenbrunner, Robert. “The Importance and Development of “visions”: Conclusions from the ‘metropolisation’ of Shanghai Between 1927 and 2002”. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 60, no. 5-6, Sept. 2002, pp. 393–404, https://doi.org/10.1007/BF03184197.