5KUtt, AL R. Trace of new cityscapes: metropolis on the verge of the 21st century [M]. Schmidt: The Royal Danish Academy of Fine Arts School of Architecture Publishers. 1997.
6BEATLEY T. Green urbanism: learning from European cities[M]. Washington: Island Press, 2000.
7AICHER J. Designing healthy cities[M}. Malabar: Krieger Publishing Co., 1998.
8COHEN N. Urban conservation: architecture & town planner[M]. Cambridge MA: The MIT Press, 1999.