The following citations have something missing. Drag the information you think is missing to the empty ara under the citation in order to make it complete.
Alipour, A. Shafei, B., Shinozuka, M. (2011) Performance evaluation of deteriorating highway bridges located in high seismic areas. Journal of Bridge Engineering, 596-611. Retrieved from http://www.engineeringvillage2.org/
Bollens, Scott A. City and Soul in Divided Cities. New York: Routledge. Print.