5[2]Downtown Plan Yellowknife,Northwest,2002 Territories[R/OL].http://www.city.yellowknife.nt.ca.
6[3]Norman Pressman,Xenia Zepic.Planning in Cold Climate---A Critical Overview of Canadian Settlement Patterns and Politics[M].Winnipeg:University of Winnipeg Press,1986:52-55.
8[6]Ole Bernt Skaratein.Norwegian Land-Use Policy and Building Design in Relation to Climate[C] // Cities Designed for Winter.Helsinki:Building Book Lid,1988:245-250.
9[7]Yuri Konstantin Bukin.The "North 2005" Program of the Soviet Union[C]//Cities Designed for Winter.Helsinki:Building Book Ltd,1988:270-271.