7Gentile R J. Geology and utilization of undergr- ound space in metropolitan Kansas City area, USA [J ]. Environmental Geology, 1997,29 ( 1 - 2):11-16.
8Zevgolis I E, Mavrikos A A,Kaliampakos D C. Construction, storage capacity and economics of an underground warehousing logistics center in Athens, Greece [ J ]. Tunnelling and Underg- round Space Technology, 2004,19 (2): 165-173.
