(1971). Feasibility of utility tunnels in urban areas: A comprehensive examination of the technical legal and economic aspects of placing urban utilities in tunnel structures. Chicago: American Public Works Association.
Παραπομπή Chicago StyleFeasibility of Utility Tunnels in Urban Areas: A Comprehensive Examination of the Technical Legal and Economic Aspects of Placing Urban Utilities in Tunnel Structures. Chicago: American Public Works Association, 1971.
Παραπομπή MLAFeasibility of Utility Tunnels in Urban Areas: A Comprehensive Examination of the Technical Legal and Economic Aspects of Placing Urban Utilities in Tunnel Structures. Chicago: American Public Works Association, 1971.
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